Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hat van sung snippets" » "hat van dung snippets", "hat van hung snippets", "hat van duong snippets", "hoat van sung snippets", "ha van sung snippets", "hai van sung snippets"

Try widening your search to All Fields.

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