Perhaps you should try some spelling variations:
thanh chinh » hanh chinh, thanh binh, hang chinh
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong trinh, cong tan
mot chieu » doi chieu, ho chieu
tran hong » tran hoang, tran trong, tranh hang
chinh cau » chinh chau, chinh ca, chinh can
tran huu » tran duc

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 trung ((tran huu) or (tran hong)) cong thanh chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sach - thanh trung ((tran huu) OR (tran hong)) cong thanh chinh cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sach - thanh trung ((tran huu) or (tran hong)) cong thanh chinh cau*.