Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tao theo don snippets" » "tang theo don snippets", "tao thiet don snippets", "tao thuoc don snippets", "tao theo dong snippets", "tao theo doi snippets", "tao theo duong 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: (((("tao theo 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: (((("tao theo don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tao theo don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tao theo don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.