Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu tieng cha snippets" » "tu tieng nhat snippets", "tu tieng phap snippets", "tu tieng thai snippets", "luc tieng cha snippets", "tu tuong cha snippets", "tu trong cha 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: (((("tu tieng cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu tieng cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu tieng cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tieng cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.