Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau tap cac snippets" » "khau tap cac snippets", "han tap cac snippets", "hai tap cac snippets", "hau tai cac snippets", "hau tap trac 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: (((("hau tap cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hau tap cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau tap cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau tap cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.