Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"son vung phu snippets" » "son tung phu snippets", "so vung phu snippets", "ngon vung phu snippets", "son vuong phu snippets", "son dung phu snippets", "son vong phu snippets"

Try widening your search to All Fields.

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