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