Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hau den snippets" » "co hau den snippets", "cong hai den snippets", "song hau den snippets", "con cau den snippets", "con thau dien snippets", "con thai den 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: (((("con hau 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: (((("con hau den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hau den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hau den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.