Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xoay van cau snippets" » "xoay luan cau snippets", "hoa van cau snippets", "doan van cau snippets", "xoay van dau snippets", "xoay van hau snippets", "xoay van chat 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: (((("xoay van 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: (((("xoay van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xoay van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xoay van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.