Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
phuong tran » huong tran, phuong trinh, phuong thao
lanh tranh » canh tranh, lan tranh, hanh trinh
chieu sang » chieu sach, chieu xanh, hieu lang
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
tran tuan » tran xuan, tran quang, tran thanh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - ((hanh mang) or (lanh tranh)) cua cong phuong tran tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - ((hanh mang) OR (lanh tranh)) cua cong phuong tran tuan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - ((hanh mang) or (lanh tranh)) cua cong phuong tran tuan cau*.