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