Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thanh nhung » thanh hung, hanh nhung, tranh nhung
trang thanh » tran thanh, trung thanh, tang thanh
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh trang » thanh trung, canh tranh, hanh trinh
phuong dan » phuong danh, phuong doan, huong dan
than cau » phan cau, than cap, thanh chau
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: hoc ((chieu sach) or (chieu sang)) - hanh trang thanh nhung phuong dan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chieu sang)) - hanh trang thanh nhung phuong dan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) or (chieu sang)) - hanh trang thanh nhung phuong dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chieu sang)) - hanh trang thanh nhung phuong dan ((than cau) OR (toan cau))*.