Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tin cac snippets" » "van tin code snippets", "van tien cac snippets", "van tan cac snippets", "van thinh cac snippets", "van ton cac snippets", "van tinh cach snippets", "van trinh cac 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: (((("van tin cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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