Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, theo chu
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
theo yeu » theo tieu, thiet yeu, theo chu
cong san » cong tac
san toan » van toan, dan toan, manh toan
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 chieu) or (theo yeu)) xanh - ((hanh tang) or (hanh mang)) cua nhung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - ((hanh tang) OR (hanh mang)) cua nhung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - ((hanh tang) or (hanh mang)) cua nhung cong san toan cau*.