Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc trinh ca snippets" » "hoc trinh code snippets", "doc trinh ca snippets", "hoc tinh ca snippets", "hoc sinh ca snippets", "hoc trinh cau snippets", "hoc trinh cua snippets", "hoc 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: (((("hoc trinh ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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