Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va theo ca snippets" » "va thep ca snippets", "va thiet ca snippets", "va thuoc ca snippets", "va tho ca snippets", "va theo chu snippets", "va theo ucp 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: (((("va theo ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va theo ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va theo ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va theo ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.