Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pham hoc lua snippets" » "phap hoc lua snippets", "phau hoc lua snippets", "pham hoa lua snippets", "pham hoc luan snippets", "pham hoc luat snippets", "pham hoc cua snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("pham 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: (((("pham hoc lua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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