Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cham hoc cau snippets" » "cham hoc code snippets", "cham soc cau snippets", "chat hoc cau snippets", "cham hoi cau snippets", "cham hoc cao snippets", "cham hoc cac snippets", "cham hoc can 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: (((("cham hoc cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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