Perhaps you should try some spelling variations:
thieu manh » tien manh, trieu minh, chieu xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
trung cap » truong cao, trung tam
dung cong » dung trong
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu manh) OR (hieu manh)) - hanh ((tranh cua) OR (trung cap)) dung cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu manh) OR (hieu manh)) - hanh ((tranh cua) or (trung cap)) dung cong dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu manh) OR (hieu manh)) - hanh ((tranh cua) or (trung cap)) dung cong dan toan cau*.