Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
doi lieu » duoc lieu, doi chieu, du lieu
ho chieu » theo chieu, hoc thieu, doi chieu
anh sang » lanh sang, anh bang, anh dang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi lieu) or (ho chieu)) tinh - ((anh sang) or (anh huong)) cua thuong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi lieu) OR (ho chieu)) tinh - ((anh sang) OR (anh huong)) cua thuong cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: ((doi lieu) or (ho chieu)) tinh - ((anh sang) or (anh huong)) cua thuong cong tac than cau*.