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 sung snippets" » "phi van dung snippets", "phi van hung snippets", "phi van duong snippets", "phi san sung snippets", "thi van sung snippets", "phi va sung snippets"

Try widening your search to All Fields.

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