Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chu cua doi snippets" » "chu cua code snippets", "chuc cua doi snippets", "hu cua doi snippets", "chi cua doi snippets", "chu sua doi snippets", "chu cua dai snippets", "chu cua hoi 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: (((("chu cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu cua doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("chu cua doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.