Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao gian voi snippets" » "cao giai voi snippets", "cho giang voi snippets", "dan gian voi snippets", "cao gian hoi snippets", "cao gian ve snippets", "cao dien voi 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: (((("cao gian 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: (((("cao gian voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao gian voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao gian voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.