Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha van cho snippets" » "pha van code snippets", "pham van cho snippets", "phan van cho snippets", "phap van cho snippets", "pha van chi snippets", "pha san cho snippets", "pha van chat 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: (((("pha van cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha van cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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