Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
hanh tranh » canh tranh, hanh trinh, hanh trang
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
vat thanh » dat thanh, gat thanh, tat thanh
vat tuan » van tuan, va tuan, viet tuan

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 hanh)) - hanh tranh cua nhung luong ((vat tuan) or (vat thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh tranh cua nhung luong ((vat tuan) OR (vat thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) OR (hien hanh)) - hanh tranh cua nhung luong ((vat tuan) or (vat thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) OR (hien hanh)) - hanh tranh cua nhung luong ((vat tuan) or (vat thanh)) cau*.