Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc hat cham snippets" » "hoc hat code snippets", "hoc hat chau snippets", "hoc hay cham snippets", "hoc hanh cham snippets", "hoc phat cham snippets", "hoc chat cham snippets", "hoc hai 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: (((("hoc hat cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc hat cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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