Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
phan thanh » pham thanh, ban thanh, van thanh
doc trinh » doi trinh, hoc trinh, dong trinh
cong cong » cong dong, trong cong, dung cong
doc tinh » dac tinh, loc tinh, don tinh
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
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: ((doc trinh) or (doc tinh)) tinh - ((nhanh tinh) or (phan thanh)) cua cong cong ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc trinh) OR (doc tinh)) tinh - ((nhanh tinh) OR (phan thanh)) cua cong cong ban than cap*.