Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi van hung snippets" » "phi van dung snippets", "phi manh hung snippets", "phi van duong snippets", "phi san hung snippets", "thi van hung snippets", "phi va hung snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi van hung snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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