Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
trung cap » trung tam
ho chieu » theo chieu, doi chieu, mot chieu
cong san » cong tac
san can » san van, ban can, san chang
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) tinh - thanh ((trung cap) or (truong cao)) thuong cong san can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) tinh - thanh ((trung cap) OR (truong cao)) thuong cong san can cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) tinh - thanh ((trung cap) or (truong cao)) thuong cong san can cau*.