Perhaps you should try some spelling variations:
doanh chung » doanh nhung, doanh thuong, doanh chuoi
hieu quang » thieu quang, hieu quan, hieu qua
hanh dung » thanh dung, anh dung, hanh dong
doan hung » doan phuong, doanh nhung, doan quang
cong tinh » cong trinh, cong vinh, long tinh
hoi hieu » hoi phieu, hoi tieu, moi hieu
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 - hanh dung ((doanh chung) OR (doan hung)) cong tinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu quang - hanh dung ((doanh chung) OR (doan hung)) cong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: hoi hieu quang - hanh dung ((doanh chung) OR (doan hung)) cong tinh toan cau*.