There're is common in speech, at least in certain dialects, but you'll rarely see it written. If i were being pedantic, i'd advise you to use there are in your example, because there is is definitely. I hear it all the time in arguments over subjective judgements:

Where does this saying come from? Is it a quote or old proverb? Are there any questions i should be asking? Is there any articles available on the subject? My instinct is that in the two questions above, it should be 'are' as the subjects of the sentences ( There are so many vs. There is so many there is/are one or several apple/~s?

My instinct is that in the two questions above, it should be 'are' as the subjects of the sentences ( There are so many vs. There is so many there is/are one or several apple/~s? Is there versus are there there is/are more than one. What's the difference?. The old fisherman's proverb popularized by star wars i: The phantom menace has a history of uses in literal contexts (fishing), however after the release of phantom menace the.

The old fisherman's proverb popularized by star wars i: The phantom menace has a history of uses in literal contexts (fishing), however after the release of phantom menace the.