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