Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, chieu xanh
trieu minh » trieu tinh, trien minh, trien kinh
trung tuan » trung thanh, trung tam, tran tuan
trong quan » thong quan, tong quan, thong quang
nhung cong » dung cong, thong cong, hang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » toan cao, toan ban, toan tap

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 ((trung tuan) or (trong quan)) nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (trieu minh)) - hanh ((trung tuan) OR (trong quan)) nhung cong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) OR (trieu minh)) - hanh ((trung tuan) or (trong quan)) nhung cong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) OR (trieu minh)) - hanh ((trung tuan) or (trong quan)) nhung cong manh toan cau*.