Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
tran thanh » ban thanh, van thanh, quan thanh
thanh tung » thanh cong
cap thang » cang thang, nam thang, van thang
cau thang » cang thang, cuu thanh, nam thang
cong san » cong tac
san khan » san khau, san khac, san phan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thien thanh) or (tran thanh)) - thanh tung ((cap thang) or (cau thang)) cong san khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thien thanh) OR (tran thanh)) - thanh tung ((cap thang) OR (cau thang)) cong san khan cap.
• Adding a wildcard symbol may retrieve word variants: toc ((thien thanh) or (tran thanh)) - thanh tung ((cap thang) or (cau thang)) cong san khan cap*.