Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong trinh, cong tan
mot chieu » doi chieu, ho chieu
hang cong » dang cong, hang nong, bang cong
thanh can » thanh san, thanh van, thanh tan
hang tai » hang va, dung tai
hang ca » hang va, nang cao, hang dau
can cau » van cau, ban cau, ca cau

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 - hanh ((hang ca) or (hang tai)) hang cong thanh can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - hanh ((hang ca) OR (hang tai)) hang cong thanh can cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - hanh ((hang ca) or (hang tai)) hang cong thanh can cau*.