Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu manh » chieu xanh, hieu nganh, dieu hanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua tinh » cua sinh, va tinh, ha tinh
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
gian tu » gian xu, gian thua, gian cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((hieu manh) or (cua tinh))) or (chieu sach)) - canh tranh cua dung cong dan gian tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((hieu manh) OR (cua tinh))) OR (chieu sach)) - canh tranh cua dung cong dan gian tu.
• Adding a wildcard symbol may retrieve word variants: theo ((((hieu manh) or (cua tinh))) or (chieu sach)) - canh tranh cua dung cong dan gian tu*.