Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
trong quan » thong quan, tong quan, thong quang
trong tan » trong cac, trong ca, cong tan
tung cay » tuong cay, dung cay, rung cay
than cap » khan cap, thanh lap, thanh cac
cay hoc » day hoc, cao hoc, cay coc

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 xanh) or (chieu sach)) - thanh tung cay hoc ((trong tan) OR (trong quan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh tung cay hoc ((trong tan) OR (trong quan)) than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sach)) - thanh tung cay hoc ((trong tan) OR (trong quan)) than cap*".