Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
thong manh » thong minh, thong mang, thong danh
hieu manh » chieu xanh, hieu nganh, hien hanh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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: hoc ((((hieu manh) OR (dieu hanh))) OR (chieu sang)) - hanh tranh cua thong thong manh toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (dieu hanh))) or (chieu sang)) - hanh tranh cua thong thong manh toan ban*.