Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
thuat bao » thuat bai, thuat giao, thuat do
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
va dung » van dung, va duong, vat dung
tai cao » thai cao, tao cao, tai sao

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 tinh - thanh trung ((va dung) or (xay dung)) cong dan ((tai cao) or (thuat bao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh trung ((va dung) OR (xay dung)) cong dan ((tai cao) OR (thuat bao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh trung ((va dung) or (xay dung)) cong dan ((tai cao) or (thuat bao))*.