Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hap van cau snippets" » "hap van code snippets", "phap van cau snippets", "nhap van cau snippets", "tap van cau snippets", "hap van dau snippets", "hap van hau snippets", "hap van chat 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: (((("hap van cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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