Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trung » thanh trung, hanh trang, manh trung
nhu phuong » thu phuong, nhung phuong, thi phuong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
toan cau » toan cao, toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh trung cua ((nhung cong) or (nhu phuong)) tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh trung cua ((nhung cong) OR (nhu phuong)) tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh trung cua ((nhung cong) or (nhu phuong)) tinh toan cau*.