Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nghe san lua snippets" » "nghe dan lua snippets", "nghe sinh lua snippets", "nghe va lua snippets", "nghe san luan snippets", "nghe san cua snippets", "nghe san xuat snippets"

Try widening your search to All Fields.

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