Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pham so cau snippets" » "pham so code snippets", "phap so cau snippets", "ham so cau snippets", "pham mo cau snippets", "pham so cap snippets", "pham bo cau snippets", "pham co cau snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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