Perhaps you should try some spelling variations:
trung khanh » truong khanh, trung thanh, truong thanh
chieu sach » chinh sach, chiet tach, chieu sang
trung hanh » trung thanh, trung anh, trong hanh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cac » thanh cac, phan cac, thac 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 chieu sach - thanh ((trung hanh) or (trung khanh)) nhung cong tan than cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung hanh) OR (trung khanh)) nhung cong tan than cac.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung hanh) or (trung khanh)) nhung cong tan than cac*.