Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cao thuoc » cay thuoc, cua thuoc, nam thuoc
trong tan » trong quan, trong cac, cong tan
thanh lap » thanh san, phan lap, thanh hai
tung cao » nung cao, truong cao, trung cap
trong ca » trong cac, trong nha
than cap » khan cap, thanh cac, than cua

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 - thanh tung cao thuoc ((trong tan) or (trong ca)) ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh tung cao thuoc ((trong tan) OR (trong ca)) ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh tung cao thuoc ((trong tan) or (trong ca)) ((than cap) OR (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh tung cao thuoc ((trong tan) or (trong ca)) ((than cap) OR (thanh lap))*.