Perhaps you should try some spelling variations:
chinh chau » chinh cau, chinh cho, chinh phu
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
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
tac chinh » tai chinh, tich chinh, te chinh

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