Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, chieu xanh
trieu minh » trieu tinh, trien minh, trien kinh
thanh chau » thanh cha, thanh cham, thanh chu
hanh hang » thanh hang, hang hang, hanh han
nang cong » nang song, dang cong, bang cong
cong dan » cong san, cong tan, huong dan
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 manh) OR (trieu minh)) - hanh hang va nang cong dan ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (trieu minh)) - hanh hang va nang cong dan ((thanh chau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) OR (trieu minh)) - hanh hang va nang cong dan ((thanh chau) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) OR (trieu minh)) - hanh hang va nang cong dan ((thanh chau) or (phan cau))*.