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