Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chua » tranh cua, trinh chuan, tranh chap
tieu xanh » tieu danh, chieu xanh, dieu hanh
chua nang » chuc nang, chua xang, kha nang
nang cong » nang song, dang cong, bang cong
chinh cau » chinh chau, chinh ca, chinh can
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tranh chua nang cong dan ((chan cau) or (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tranh chua nang cong dan ((chan cau) OR (chinh cau))*.