Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"vung dam rao snippets" » "vung dat rao snippets", "vung tam rao snippets", "hung dam rao snippets", "vung dam trao snippets", "vung dam bao snippets", "vung dam cao snippets"

Try widening your search to All Fields.

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