Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"330 danh cau snippets" » "3 danh cau snippets", "330 danh dau snippets", "330 danh ca snippets", "330 danh hau 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: (((("330 danh 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: (((("330 danh cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 330 danh cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("330 danh cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.