Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc tu can snippets" » "thuoc tru can snippets", "thuoc tai can snippets", "thuoc cuc can snippets", "thuoc tu ban snippets", "thuoc tu cac snippets", "thuoc su can 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: (((("thuoc tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc tu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc tu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.