Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu cau de snippets" » "lieu cao de snippets", "lieu sau de snippets", "lieu chiu de snippets", "lieu cau den snippets", "lieu cau do snippets", "lieu 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: (((("lieu cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.