Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua dan cuu snippets" » "cua dan code snippets", "cua dang cuu snippets", "cua ban cuu snippets", "ca dan cuu snippets", "cua dan cu snippets", "cua dan cua snippets", "cua dan luu 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: (((("cua dan cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dan cuu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cua dan cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.