Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
cham cuu » cap cuu, chat cua
khao cuu » chao chu, kho cua, thao cua
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran tap » toan tap, tran tan, tran tuan

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: ((cham cuu) OR (khao cuu)) van - anh tang cua thong cong tac tran tap~.
• Adding a wildcard symbol may retrieve word variants: ((cham cuu) or (khao cuu)) van - anh tang cua thong cong tac tran tap*.