Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon mot da snippets" » "cho mot da snippets", "khoan mot da snippets", "phong mot da snippets", "chon bot da snippets", "chon mat da snippets", "chon mot de 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 mot da 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 mot da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon mot da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon mot da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.