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

Try widening your search to All Fields.

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