Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tong cua toc snippets" » "tong cua code snippets", "thong cua toc snippets", "trong cua toc snippets", "tuong cua toc snippets", "tong cua hoc snippets", "tong cua toi snippets", "tong cua tuc snippets"
"python using java snippets" » "python using data 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: (((("tong cua toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong cua toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("tong cua toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.