Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trang » thanh trung, canh tranh, hanh trinh
nho phuong » pho phuong, nhu phuong, theo phuong
nho thuong » nho truong, cho thuong, pho thuong
hien xanh » hien hanh, chieu xanh, hien khanh
doan phan » doanh phan, toan phan, dan phan
trang va » tran van, hang va
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 ((hien xanh) OR (hien nhanh)) - hanh trang va ((nho phuong) or (nho thuong)) doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien nhanh)) - hanh trang va ((nho phuong) OR (nho thuong)) doan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien nhanh)) - hanh trang va ((nho phuong) or (nho thuong)) doan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien nhanh)) - hanh trang va ((nho phuong) or (nho thuong)) doan phan cau*.