Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van dung voi snippets" » "van dung code snippets", "van dong voi snippets", "xay dung voi snippets", "tin dung voi snippets", "van dung von snippets", "van dung doi snippets", "van dung vi 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: (((("python using java snippets") or ("van dung voi snippets"))) or ("locating bug core snippets"))~.
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