Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao danh cad snippets" » "cao dang cad snippets", "cao anh cad snippets", "cau danh cad snippets", "cao danh ca snippets", "cao danh cau snippets", "cao hanh cad 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: (((("cao danh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao danh cad snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao danh cad snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao danh cad snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.