Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
tuan cong » thuan cong, luan cong, tran cong
cong cong » cong dong, trong cong, dung cong
cong tac » cong ty
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sach) or (hieu ca)) - thanh trung tuan cong cong tac ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (hieu ca)) - thanh trung tuan cong cong tac ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (hieu ca)) - thanh trung tuan cong cong tac ((than cau) or (toan cau))*.