Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
dan chan » dan ca, van chat

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh tranh cua thong cong ((dan chan) OR (dan gian)) ta~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh cua thong cong ((dan chan) OR (dan gian)) ta*.