Perhaps you should try some spelling variations:
thanh tung » thanh cong
tong cong » trong cong, cong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan ap » khan cap, han ap, khan dam
so cuu » so huu, ho cuu, so cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((so cuu) OR (_ nuu)) tinh - thanh tung cua tong cong tan khan ap~.
• Adding a wildcard symbol may retrieve word variants: ((so cuu) or (_ nuu)) tinh - thanh tung cua tong cong tan khan ap*.