Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
manh toan » thanh toan, tinh toan

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 - hanh tranh cua nhung cong ((manh toan) OR (anh tuan)) ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh tranh cua nhung cong ((manh toan) or (anh tuan)) ban*.