Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai tac xe snippets" » "khai thac xe snippets", "khai cac xe snippets", "khai tuan xe snippets", "khai tac ke snippets", "khai tac xa snippets", "khai tac 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: (((("khai tac xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai tac xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai tac xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai tac xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.