Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"kinh hoc lua snippets" » "sinh hoc lua snippets", "hinh hoc lua snippets", "tinh hoc lua snippets", "kinh hoc luan snippets", "kinh hoc luat snippets", "kinh hoc cua snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("kinh hoc lua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kinh hoc lua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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