Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web cuong do snippets" » "web huong do snippets", "web song do snippets", "web cuong dao snippets", "web cuong vo snippets", "web luong do 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 cuong do 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 cuong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web cuong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web cuong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.