Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh
dang trong » dung trong, dong trong, lang trong
trong dung » thong dung, trung dung, trong rung
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
dung toan » dung doanh, dung thang, dung thanh
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap

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: ho ((chieu sang) OR (((chieu xanh) OR (hieu manh)))) - canh tranh cua dang trong dung toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (((chieu xanh) OR (hieu manh)))) - canh tranh cua dang trong dung toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (((chieu xanh) OR (hieu manh)))) - canh tranh cua dang trong dung toan cao*.