Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
duoc lieu » du lieu
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
van thanh » ban thanh, van tuan
doi lieu » doi chieu, du lieu, tai lieu
tang cua » mang cua, hang cua, tang luan

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: ((doi lieu) OR (duoc lieu)) tinh - hanh tang cua thong cong ((manh toan) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi lieu) OR (duoc lieu)) tinh - hanh tang cua thong cong ((manh toan) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi lieu) OR (duoc lieu)) tinh - hanh tang cua thong cong ((manh toan) or (van thanh)) cau*.