Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cham cac san snippets" » "cho cac san snippets", "cham soc san snippets", "cua cac san snippets", "cham cac dan snippets", "cham cac van snippets", "cham cac ban snippets"

Try widening your search to All Fields.

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