Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duy doc tran snippets" » "duy boc tran snippets", "duy doc than snippets", "duy soc trang snippets", "day doc tran snippets", "duy dac tran snippets", "duy dot tran 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 ("duy doc tran snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("duy doc tran snippets"))) OR ("locating bug core snippets")).
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