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