Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
dung doanh » dung dan, dung dong
doanh tuan » doanh luan, doan tuan, doanh quan
tuan cau » toan cau, quan cau, tuan cu
cua ung » cua rung, cua ong, cua nhung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - ((hanh trang) or (canh tranh)) cua ung dung doanh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - ((hanh trang) OR (canh tranh)) cua ung dung doanh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - ((hanh trang) or (canh tranh)) cua ung dung doanh tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - ((hanh trang) or (canh tranh)) cua ung dung doanh tuan cau*.