Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoan cam xa snippets" » "khoa cam xa snippets", "khoan va xa snippets", "phan cam xa snippets", "khoan cac xa snippets", "khoan cam va snippets", "khoan cap xa 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: (((("khoan cam xa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan cam xa snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("khoan cam xa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.