Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon ve du snippets" » "chon vi du snippets", "chon va du snippets", "chong va du snippets", "chon ve su snippets", "chon te du 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: (((("chon ve du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon ve du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon ve du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon ve du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.