Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan cach le snippets" » "dan cach le snippets", "tap cach le snippets", "tinh cach le snippets", "tan cach de snippets", "tan cac le snippets", "tan cach ben 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: (((("tan cach le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan cach le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan cach le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan cach le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.