Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
trung cong » truong cong, trong cong, trung uong
nhan chung » nha chung, phan chung, nhanh chuong
ho chieu » theo chieu, hoc thieu, doi chieu
trong ba » trong ban, trong bau, trong ca
ba trung » tai trung, nam trung, do trung
cong ban » cong bang, cong san, cong tan
ban nhan » ban than, van nhan, ban thanh

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 (mot chieu)) sach - thanh trong ba trung cong ban nhan chung~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) sach - thanh trong ba trung cong ban nhan chung.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) sach - thanh trong ba trung cong ban nhan chung*.