Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
duong vanh » duong van, duong anh, duong thanh
duong manh » duong van
duong xanh » duong van, duong sach, duong minh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuan cau » toan cau, quan cau, tuan cu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - canh tranh cua nhung ((((duong vanh) OR (duong manh))) OR (duong xanh)) tuan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - canh tranh cua nhung ((((duong vanh) OR (duong manh))) or (duong xanh)) tuan cau~".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - canh tranh cua nhung ((((duong vanh) OR (duong manh))) or (duong xanh)) tuan cau*.