Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
trong cach » trong cac, trong mach, trong canh
cach nhanh » cac nganh, cac nhan, cac thanh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
nhanh ban » nhanh bac, nhanh ba, thanh ban
cua dung » cua dang, cua dong, qua dung

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 xanh) or (chieu sach))) or (hieu manh)) - hanh tranh cua dung trong cach nhanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu sach))) OR (hieu manh)) - hanh tranh cua dung trong cach nhanh ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (chieu sach))) or (hieu manh)) - hanh tranh cua dung trong cach nhanh ban*.