Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data cau de snippets" » "dat cau de snippets", "da cau de snippets", "danh cau de snippets", "data cau den snippets", "data cau do snippets", "data 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: (((("data 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: (((("data cau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data cau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data cau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.