Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan gan mat snippets" » "phan van mat snippets", "phan lan mat snippets", "phan tan mat snippets", "phan gai mat snippets", "phan gen matk snippets", "phan dang mat snippets"

Try widening your search to All Fields.

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