Perhaps you should try some spelling variations:
thieu khang » thieu quang
chieu khong » chien chong, chu khong, chieu duong
hanh tranh » hanh trinh, hanh trang, lanh tranh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
ban cong » bang cong, van cong, phan cong
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 khang) or (chieu khong)) - ((hanh tranh) OR (canh tranh)) cua ban cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu khong)) - ((hanh tranh) OR (canh tranh)) cua ban cong thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (chieu khong)) - ((hanh tranh) OR (canh tranh)) cua ban cong thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu khong)) - ((hanh tranh) OR (canh tranh)) cua ban cong thanh toan cau*.