Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tri hoc cham snippets" » "tri hoc code snippets", "tri toc cham snippets", "tri hoc chat snippets", "tri hoc chan snippets", "triet hoc cham snippets", "tri thuc cham snippets", "thai hoc cham 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: (((("tri hoc cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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