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