Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
lang song » bang song, lang son, lang dong
van nhanh » van thanh, van hanh, van khanh
nhanh cau » nhanh cay, thanh chau, nhanh ha
theo chu » theo chieu, cho chu, chao chu
chu nang » chuc nang, chua nang, cuu nang
thang va » hang va, trang va, thong va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu nang - cang thang va ((lang song) or (nang song)) van nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu nang - cang thang va ((lang song) OR (nang song)) van nhanh cau.
• Adding a wildcard symbol may retrieve word variants: theo chu nang - cang thang va ((lang song) or (nang song)) van nhanh cau*.