Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
tung cua » trung cua, dung cua, tang cua
than cau » toan cau, phan cau, than cap

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 - thanh ((tung cua) or (tuong cua)) nhung cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((tung cua) OR (tuong cua)) nhung cong bang than cau*.