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