Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu manh » hieu manh, trieu minh, chieu xanh
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tien thanh, tieng anh
trung dap » trung cap, trung dai, trung dam
dap nhung » vap nhung, va nhung, dap ung
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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 (tien manh)) - thanh trung dap nhung cong san ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu manh) OR (tien manh)) - thanh trung dap nhung cong san ((than cap) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu manh) OR (tien manh)) - thanh trung dap nhung cong san ((than cap) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu manh) OR (tien manh)) - thanh trung dap nhung cong san ((than cap) or (phan cau))*.