Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham hoi bo snippets" » "cham voi bo snippets", "cham h'roi bo snippets", "pham hoai bo snippets", "cham noi bo snippets", "cham doi bo snippets", "cham hoi co 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: (((("cham hoi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham hoi bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham hoi bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham hoi bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.