Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao va du snippets" » "hao van du snippets", "tao va du snippets", "cao va du snippets", "hao va dau snippets", "hao va su snippets", "hao va tu 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: (((("hao va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao va du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao va du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao va du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.