Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
bang thanh » ban thanh, dang thanh, tang thanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
bang than » ban than, sang than, bang nhan
ho chieu » theo chieu, hoc thieu, doi chieu

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 cua nhung cong ((bang than) OR (bang thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung cua nhung cong ((bang than) OR (bang thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung cua nhung cong ((bang than) OR (bang thanh)) cau*.