Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, dung cong, dang cong
cong cong » cong dong, trong cong, dung cong
tinh cua » trinh cua, sinh cua, tinh chat
dan toan » van toan, dan than, manh toan
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: hoc thieu xanh - nhanh tinh cua ((tong cong) or (cong cong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - nhanh tinh cua ((tong cong) OR (cong cong)) dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - nhanh tinh cua ((tong cong) or (cong cong)) dan toan tap*.