Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, cong tan
tung tuan » trung tuan, hung tuan, quang tuan
tuan dang » tran dang, tuan bang, tuan dung
cong hach » cong sach, cong khanh, trong hach
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 tung tuan dang ((cong hach) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh tung tuan dang ((cong hach) OR (cong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh tung tuan dang ((cong hach) or (cong thanh)) toan tap*.