Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kim hanh cac snippets" » "kim hanh code snippets", "kim thanh cac snippets", "kim anh cac snippets", "kim oanh cac snippets", "kim hang cac snippets", "kim hanh cat snippets", "kim nhanh cay 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: (((("kim hanh cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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