Perhaps you should try some spelling variations:
luan thuong » luat thuong, lan thuong, luan phuong
chieu xanh » chieu sach, chieu sang, chieu tinh
thong tran » thong than, phuong tran, thong thanh
thong tren » thong truyen, phuong tren, thong trong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (hieu lang)) - hanh tang luan thuong ((thong tran) OR (thong tren)) tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (hieu lang)) - hanh tang luan thuong ((thong tran) OR (thong tren)) tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu xanh) or (hieu lang)) - hanh tang luan thuong ((thong tran) OR (thong tren)) tuan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (hieu lang)) - hanh tang luan thuong ((thong tran) OR (thong tren)) tuan ban*.