Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
hanh trang » thanh trung, canh tranh, hanh trinh
hieu quang » thieu quang, hieu qua, diep quang
trang doan » tran doan, trong doanh, trang tuan
phung cong » nhung cong, phong cong, dung cong
thanh toan » thanh hoa, thanh san, tinh toan
hieu quan » hieu qua, lieu quan, thien quan
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: hoi ((hieu quang) OR (hieu quan)) - hanh trang doan ((phung cong) or (nhung chong)) thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu quang) OR (hieu quan)) - hanh trang doan ((phung cong) OR (nhung chong)) thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu quang) OR (hieu quan)) - hanh trang doan ((phung cong) or (nhung chong)) thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu quang) OR (hieu quan)) - hanh trang doan ((phung cong) or (nhung chong)) thanh toan cau*.