Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
doanh cua » doanh luan
dung cong » dung trong
manh cua » ban cua
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo tieu)) sach - canh ((manh cua) or (doanh cua)) dung cong thanh phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sach - canh ((manh cua) OR (doanh cua)) dung cong thanh phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) sach - canh ((manh cua) or (doanh cua)) dung cong thanh phan cau*".