Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim kiem cau snippets" » "tiet kiem cau snippets", "tim hieu cau snippets", "thi kiem cau snippets", "tim diem cau snippets", "tim liem chau snippets", "tim khien cau 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: (((("tim kiem 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: (((("tim kiem cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim kiem cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim kiem cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.