Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"truc cua le snippets" » "truc chua le snippets", "thuc cua le snippets", "truc cu le snippets", "truc cua te snippets", "truc cua he snippets", "truc cua ly 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: (((("truc cua 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: (((("truc cua le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( truc cua le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("truc cua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.