Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi rong cho snippets" » "hoi trong cho snippets", "hoi dong cho snippets", "hoi long cho snippets", "hoi luong cho 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: (((("hoi rong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi rong cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi rong cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi rong cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.