Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
manh tuong » manh tung, manh cuong, minh tuong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tai » doanh tai, toan ban, von tai
toan tap » toan ban

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: hoc thieu xanh - manh tuong cua nhung cong dan ((((toan cao) OR (toan tai))) OR (toan tap))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh tuong cua nhung cong dan ((((toan cao) or (toan tai))) or (toan tap))*.