Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
xay truong » xa truong, xuan truong, xuat truong
doi chieu » doc hieu, doi chi, mot chieu
hanh dang » hanh dong, anh dang, hanh dung
thanh van » thanh san, thanh toan, thanh phan
dang xay » dang van, van xay
van khan » van khanh, van khang, van phan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) sach - hanh dang xay truong thanh van khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sach - hanh dang xay truong thanh van khan cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) sach - hanh dang xay truong thanh van khan cap*.