Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tung » thanh cong
hang huong » hang thuong, hang luong, hoang phuong
mot chieu » doi chieu, ho chieu
tung cao » nung cao, truong cao, trung cap
cao hang » cao dang, cao tang, cao bang
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) sach - thanh tung cao hang huong dan ((than cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - thanh tung cao hang huong dan ((than cap) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - thanh tung cao hang huong dan ((than cap) or (khan cap))*.