Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hang nguoi » thang nguoi, hang nguon, tang nguoi
nang nguoi » tang nguoi, nhung nguoi, thang nguoi
hien xanh » hien hanh, hien nhanh, hien khanh
tranh cua » doanh cua, manh cua
dan tuan » doan tuan, van tuan, dan luan
tuan tap » toan tap, tuan tai, tuyen tap

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

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