Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tran » thanh trang, thanh toan, thanh tra
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (hieu lang)) - thanh tran tuan thong cong tan ((toan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (hieu lang)) - thanh tran tuan thong cong tan ((toan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (hieu lang)) - thanh tran tuan thong cong tan ((toan cau) or (phan cac))*.