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
tranh cua » doanh cua, manh cua
cua nhung » va nhung
luan phan » luan van, luan hoan
van phan » van phong, van thanh, van ban

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua nhung cong ((van phan) OR (luan phan)) cau*.