Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, thi hien
mot chieu » doi chieu, ho chieu
trung va » truong va, trang va, trung ha
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((thi chieu) or (mot chieu))) or (theo chieu)) sach - thanh trung va nhung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((thi chieu) OR (mot chieu))) OR (theo chieu)) sach - thanh trung va nhung cong san than cau.
• Adding a wildcard symbol may retrieve word variants: ((((thi chieu) or (mot chieu))) or (theo chieu)) sach - thanh trung va nhung cong san than cau*.