Perhaps you should try some spelling variations:
thanh hoang » thanh cong, thanh hoa, thanh toan
cong thanh » cong trinh, cong tan, truong thanh
dong thanh » truong thanh
mot chieu » doi chieu, ho chieu
hoc thieu » toc thieu, hoc hien
hoang van » hang va
van dung » van dong, xay dung, tin dung
tran cau » tran chau, toan cau, ran 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 (hoc thieu)) sach - thanh hoang van dung ((cong thanh) or (dong thanh)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc thieu)) sach - thanh hoang van dung ((cong thanh) OR (dong thanh)) tran cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc thieu)) sach - thanh hoang van dung ((cong thanh) or (dong thanh)) tran cau*.