Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hien xanh » hien hanh, hien nhanh, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
nguoi van » nguoi san, nguoi va, nguoi ban
nguoi dan » nguoi dao, nguoi san, nguong dan
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
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 sang)) - canh manh cua hang ((nguoi van) OR (nguoi dan)) tuan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (chieu sang)) - canh manh cua hang ((nguoi van) OR (nguoi dan)) tuan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien xanh) or (chieu sang)) - canh manh cua hang ((nguoi van) OR (nguoi dan)) tuan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (chieu sang)) - canh manh cua hang ((nguoi van) OR (nguoi dan)) tuan tap*.