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