Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, chieu xanh
trieu minh » trieu tinh, trien minh, trien kinh
thanh tung » thanh cong
cua khong » hua khong, cua phuong, cua thuong
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh 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: toc ((thieu manh) OR (trieu minh)) - thanh tung ((cua tong) or (cua khong)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu manh) OR (trieu minh)) - thanh tung ((cua tong) OR (cua khong)) cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu manh) OR (trieu minh)) - thanh tung ((cua tong) or (cua khong)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu manh) OR (trieu minh)) - thanh tung ((cua tong) or (cua khong)) cong dan toan cau*.