Perhaps you should try some spelling variations:
trinh thanh » tinh thanh, trinh han, trinh toan
hanh trang » thanh trung, canh tranh, hanh trinh
dung cong » dung trong
thanh cap » thanh lap, hanh cap, than cap
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
va dung » van dung, va duong, vat dung

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 (theo tieu)) xanh - hanh trang va dung cong trinh thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) xanh - hanh trang va dung cong trinh thanh cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) xanh - hanh trang va dung cong trinh thanh cap*.