Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tinh dung du snippets" » "tinh dung code snippets", "trinh dung du snippets", "tin dung du snippets", "tinh quang du snippets", "tinh dung de snippets", "tinh dung cu snippets", "tinh dung cua 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: (((("tinh dung du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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