Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
doanh cua » doanh luan
dung cong » dung trong
san thanh » ban thanh, van thanh, son thanh
thanh hai » thanh phan, thanh hoa, thanh san
ho chieu » hoc thieu, doi chieu, mot chieu
tang cua » mang cua, hang cua, tang luan
cong san » cong tac

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 (ho chieu)) tinh - hanh ((tang cua) or (doanh cua)) dung cong san thanh hai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - hanh ((tang cua) OR (doanh cua)) dung cong san thanh hai.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) tinh - hanh ((tang cua) or (doanh cua)) dung cong san thanh hai*.