Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
phuong ban » phuong bang, phuong lan, phuong bac
hanh tang » hanh trang, anh tang, hanh mang
qua nhung » quan nhung, cua nhung, qua chung
tang qua » tang quan, tang cua, tang quy
than cap » khan cap, thanh lap, thanh cac
toan cau » toan cao, toan ban, toan tap

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 sach - hanh tang qua nhung phuong ban ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tang qua nhung phuong ban ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tang qua nhung phuong ban ((than cap) or (toan cau))*.