Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao gap voi snippets" » "dao gap voi snippets", "tao lap voi snippets", "tao giap voi snippets", "tao cap voi snippets", "tao gap doi 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: (((("tao gap voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao gap voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao gap voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao gap voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.