Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trang » thanh trung, canh tranh, hanh trinh
trinh toan » tinh toan, thanh toan, trinh han
tieu sang » chieu sang, tieu dung, tiem nang
hanh tang » anh tang, hanh mang, hanh tung
cua nhung » va nhung
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: theo tieu sang - ((hanh tang) or (hanh trang)) cua nhung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - ((hanh tang) OR (hanh trang)) cua nhung cong trinh toan cau*.