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