Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
cong khanh » cong khan, cong nhan, cong danh
cong thanh » dong thanh, cong trinh, cong tan
tuan dang » tran dang, tuan bang, tuan dung
cong hach » cong sach, trong hach, cong tac
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 - thanh trung tuan dang ((((cong hach) OR (cong khanh))) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh trung tuan dang ((((cong hach) OR (cong khanh))) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - thanh trung tuan dang ((((cong hach) OR (cong khanh))) or (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh trung tuan dang ((((cong hach) OR (cong khanh))) or (cong thanh)) toan tap*.