Perhaps you should try some spelling variations:
"tran tu chon snippets" » "tran tu code snippets", "tran tuan chon snippets", "tran thuy chon snippets", "tran thi chon snippets", "tran tu choi snippets", "tran tu hon snippets", "tran lua chon snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("tran tu chon snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran tu chon snippets"))) OR ("locating bug core snippets")).
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