Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, trung cap
phan cong » thanh cong
ban cong » bang cong, van cong, ban huong
toan ban » van ban

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) or (hieu manh)) - thanh trung cua ((ban cong) OR (phan cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (hieu manh)) - thanh trung cua ((ban cong) OR (phan cong)) thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (hieu manh)) - thanh trung cua ((ban cong) OR (phan cong)) thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (hieu manh)) - thanh trung cua ((ban cong) OR (phan cong)) thanh toan ban*.