Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
dong trong » duong trong, dung trong, cong trong
tranh cua » doanh cua, manh cua
tranh ban » trinh ban, tranh hang, tranh luan
cua dong » chua dong, cua cong, cua dang
tran bai » toan bai, tran hai, trang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) OR (chieu xanh)) - hanh tranh cua dong trong cac ((tran bai) or (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - hanh tranh cua dong trong cac ((tran bai) OR (tranh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu xanh)) - hanh tranh cua dong trong cac ((tran bai) or (tranh ban))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu xanh)) - hanh tranh cua dong trong cac ((tran bai) or (tranh ban))*.