Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
thanh phan » thanh pho, thanh san, thanh toan
doi chieu » doc hieu, doi chi, mot chieu
trinh dap » trinh lap, trinh da, trinh dan
dung cong » dung trong
thanh hai » thanh hoa, thanh san
dap dung » ap dung, dan dung, dap ung
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trinh dap dung cong van ((thanh hai) OR (thanh phan))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trinh dap dung cong van ((thanh hai) or (thanh phan))*.