Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hung vu hoan snippets" » "hung vu code snippets", "hung v hoan snippets", "chung cu hoan snippets", "chung tu hoan snippets", "hung vu hoang snippets", "hung su hoan snippets", "hung thu hoan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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