Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
tuong cong » truong cong, trong cong, tong cong
cao tuong » cao truong, cao thuong, bao tuong
hau sach » khau sach, cau sach, ham sach
dat sach » mat sach, dat khach, nam sach
cong tac » cong ty
tac khan » tac nhan, cac khoan, tac chuan
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: theo ((hau sach) or (dat sach)) - thanh truong cao tuong cong tac khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hau sach) OR (dat sach)) - thanh truong cao tuong cong tac khan cap.
• Adding a wildcard symbol may retrieve word variants: theo ((hau sach) or (dat sach)) - thanh truong cao tuong cong tac khan cap*.