Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
bang nhung » bang chung, sang nhung, ban nhung
dap trong » dat trong, dao trong, dai trong
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, mot chieu
tung dap » tung dan, trung dai, tuong dan
nhung cu » nhung cau, nhung chu, chung cu

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 tung dap trong cong bang nhung cu~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung dap trong cong bang nhung cu*.