Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoc hieu » hoc thieu, hoc hien, doc hieu
cap dung » ap dung, chan dung, cach dung
cao dung » cao dang, cao dong, cao ung
cong san » cong tac
san toan » van toan, dan toan, 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: hoc hieu manh - ((thanh trung) or (thanh tung)) ((cap dung) or (cao dung)) cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - ((thanh trung) OR (thanh tung)) ((cap dung) OR (cao dung)) cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - ((thanh trung) or (thanh tung)) ((cap dung) or (cao dung)) cong san toan cau*.