Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
thuat cao » thuat co, thuat bao, thuat cam
ho chieu » theo chieu, hoc thieu, doi chieu
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, cong dong
thai cao » tai cao, thoai cac, toan cao

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: ho chieu tinh - hanh tranh cua dong ((cong dan) OR (huong dan)) ((thai cao) OR (thuat cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh tranh cua dong ((cong dan) or (huong dan)) ((thai cao) OR (thuat cao))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh tranh cua dong ((cong dan) or (huong dan)) ((thai cao) OR (thuat cao))*.