Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
thuat nhung » thuat hung, thuat chung, thuat chuong
hanh trinh » canh tranh, hanh chinh
hien tinh » khien tinh, thien tinh, bien tinh
cong dan » cong san, cong tan, cong dong
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tinh - hanh trinh thuat nhung ((cong dan) or (huong dan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - hanh trinh thuat nhung ((cong dan) OR (huong dan)) than cap*.