Perhaps you should try some spelling variations:
chiet tach » chieu sach
doi chiet » doi chieu, doi chi, doi viet
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tinh » cong vinh, long tinh, cong thanh
chi tu » choi tu, chai tu, thi tu
cai tu » tai tu, mai tu

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 chiet tach - canh tranh cua nhung ((cong tinh) OR (cong trinh)) ((chi tu) OR (cai tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - canh tranh cua nhung ((cong tinh) OR (cong trinh)) ((chi tu) or (cai tu))~".
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - canh tranh cua nhung ((cong tinh) OR (cong trinh)) ((chi tu) or (cai tu))*.