Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong duc cua snippets" » "cong duc code snippets", "cong suc cua snippets", "hong duc cua snippets", "cong dac cua snippets", "cong doc cua snippets", "cong luc cua snippets", "cong tuc cua 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: (((("cong duc cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong duc cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("cong duc cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.