Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
manh tuong » manh tung, manh cuong, minh tuong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
cong tac » cong ty
toan cau » toan cao, toan ban, toan 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 san) OR (cong tac)) ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - manh tuong cua nhung ((cong san) OR (cong tac)) ((toan cau) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh tuong cua nhung ((cong san) OR (cong tac)) ((toan cau) or (toan tap))*.