Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot tiep noi snippets" » "cot thep noi snippets", "hoa tiep noi snippets", "noi tiep noi snippets", "cot tiep doi snippets", "cot tieng noi snippets", "cot tiep nuoc snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cot tiep noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cot tiep noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cot tiep noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.