Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
thong quang » thong quan, thong qua, luong quang
quang thong » quang phuong, quang truong, quang trung
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thanh cac » hanh cac, thanh bac, thanh ca
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh lap, 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: hoc ((thieu xanh) or (chieu xanh)) - thanh thong quang thong cong ban ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh thong quang thong cong ban ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (chieu xanh)) - thanh thong quang thong cong ban ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu xanh)) - thanh thong quang thong cong ban ((than cap) OR (thanh cac))*.