Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay gi cau snippets" » "thay doi cau snippets", "tham gia cau snippets", "thay di cau snippets", "thay giua cau snippets", "thay giay 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: (((("thay gi 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: (((("thay gi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thay gi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thay gi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.