Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pho phan tao snippets" » "phoi phan tao snippets", "cho phan tao snippets", "phe phan tao snippets", "pho nhan tao snippets", "pho phan tap snippets", "pho phan tan snippets"

Try widening your search to All Fields.

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