Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao cau cach snippets" » "dao cau code snippets", "dao cai cach snippets", "dao cac cach snippets", "dao ca cach snippets", "dat cau cach snippets", "da cau cach snippets", "tao cau cach 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: (((("dao cau cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao cau cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dao cau cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.