Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
dung cong » dung trong
tran xay » tra xay, tran day, trinh xay
cong san » cong tac
thai cao » thoai cac, thuat cao, toan cao
ho lieu » so lieu, co lieu, ho chieu
ho kieu » so kieu, thi kieu, ho chieu
tai cao » tao cao, tai sao, tai cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho lieu) or (ho kieu)) tinh - thanh tran xay dung cong san ((tai cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho lieu) OR (ho kieu)) tinh - thanh tran xay dung cong san ((tai cao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho lieu) or (ho kieu)) tinh - thanh tran xay dung cong san ((tai cao) or (thai cao))*.