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