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