Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien danh
cong thanh » dong thanh, cong trinh, cong tan
thien anh » thien danh, tien anh, thien thanh
trung cua » truong cua, trung tuan, trung cap
cong hach » cong sach, cong khanh, trong hach
cua dang » cua cong, cua ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) OR (thien anh)) - thanh trung cua dang ((cong hach) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - thanh trung cua dang ((cong hach) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (thien anh)) - thanh trung cua dang ((cong hach) or (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (thien anh)) - thanh trung cua dang ((cong hach) or (cong thanh)) toan tap*.