Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cong » truong cong, trong cong, trung uong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - canh tranh cua trung cong dan ((thanh san) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - canh tranh cua trung cong dan ((thanh san) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - canh tranh cua trung cong dan ((thanh san) or (phan lap))*.