Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nong dam cao snippets" » "nong lam cao snippets", "nong dan cao snippets", "tong dam cao snippets", "nong dam bao snippets", "nong nam cao snippets", "nong dam rao snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("nong dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nong dam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("nong dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.