Perhaps you should try some spelling variations:
nhanh muong » nhanh chuong, nhanh quang, nhanh chong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tong » thanh cong, thanh tung, thanh hong
thanh long » thanh cong, thang long, thanh huong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - nhanh muong ((thanh tong) OR (thanh long)) cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhanh muong ((thanh tong) OR (thanh long)) cong tan toan cau*.