Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
nang cong » nang song, dang cong, bang cong
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh chau
khan cap » khan ap, than cap, khoan cam
phan cau » phan dau, phan cac, phan tu
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - canh trinh va nang cong tan ((((than cau) or (khan cap))) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh trinh va nang cong tan ((((than cau) OR (khan cap))) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh trinh va nang cong tan ((((than cau) or (khan cap))) or (phan cau))*.