Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu xanh » chieu sach, chieu sang, chieu tinh
khong cong » thong cong, khong cang, chong cong
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
tran manh » tran minh, tran thanh, tran van
cong dan » cong san, cong tan, huong dan
than man » than ma, thanh san, than phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (chieu xanh)) - hanh tranh cua khong cong dan ((than man) OR (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (chieu xanh)) - hanh tranh cua khong cong dan ((than man) OR (tran manh))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu lang) or (chieu xanh)) - hanh tranh cua khong cong dan ((than man) OR (tran manh))*".