Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
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: ((doi chieu) or (hoc thieu)) tach - ((hanh tang) or (thanh trung)) cua nhung cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) tach - ((hanh tang) OR (thanh trung)) cua nhung cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) tach - ((hanh tang) or (thanh trung)) cua nhung cong trinh toan cau*.