Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
thong qua » thong quan, thong cua, thong tu
tay cao » tay co, toan cao
tao cao » bao cao, 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) OR (lieu tinh)) - hanh tranh cua thong thong qua ((tay cao) OR (tao cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (lieu tinh)) - hanh tranh cua thong thong qua ((tay cao) or (tao cao))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (lieu tinh)) - hanh tranh cua thong thong qua ((tay cao) or (tao cao))*.