Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web hang rok snippets" » "web bang rok snippets", "web huong rok snippets", "web ban rok snippets", "web hang hoa snippets", "web hang ton 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: (((("web hang rok snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("web hang rok snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web hang rok snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web hang rok snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.