Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
hien nhanh » hien hanh, thien thanh, tien thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong van » phung van, phong van, phuong lan
thanh chau » thanh cha, thanh cham, thanh chu
hien xanh » hien hanh, hien khanh, khien canh
hanh mang » nhanh mang, hanh trang, nhanh lang
van thanh » ban thanh, van tuan
mang su » dang su, nang su, bang su

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien xanh) OR (hien nhanh))) or (chieu xanh)) - hanh mang su dung phuong van thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien xanh) OR (hien nhanh))) OR (chieu xanh)) - hanh mang su dung phuong van thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien xanh) OR (hien nhanh))) or (chieu xanh)) - hanh mang su dung phuong van thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien xanh) OR (hien nhanh))) or (chieu xanh)) - hanh mang su dung phuong van thanh chau*.