Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hau don den snippets" » "hau den den snippets", "hau mon den snippets", "hau bong den snippets", "hau don dien snippets", "hau dan den snippets", "hau don dep 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 don den 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 don den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hau don den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hau don den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.