Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thao tung do snippets" » "thanh tung do snippets", "thao duong do snippets", "thay tuong do snippets", "thao trung do snippets", "thao tung ho snippets", "thao dung 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: (((("thao tung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thao tung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thao tung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thao tung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.