Perhaps you should try some spelling variations:
phuong danh » phuong anh, phuong dinh, phuong thanh
phuong hanh » phuong thanh, phuong anh, phuong hoang
nhieu tang » chieu sang, hieu lang, nhiet nang
chieu sach » chinh sach, chiet tach, chieu sang
hanh trong » hanh trang, anh trong, hinh trong
trong cao » truong cao, trong cac, trong ca
cao dung » cao dang, cao dong, cao ung
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: hoc ((nhieu tang) or (chieu sach)) - hanh trong cao dung ((phuong danh) OR (phuong hanh)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((nhieu tang) OR (chieu sach)) - hanh trong cao dung ((phuong danh) OR (phuong hanh)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((nhieu tang) or (chieu sach)) - hanh trong cao dung ((phuong danh) OR (phuong hanh)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((nhieu tang) or (chieu sach)) - hanh trong cao dung ((phuong danh) OR (phuong hanh)) phan cau*.