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