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
cong van » cong vang, cong san, song van
quan ha » quan he
luan va » luan van, luat va
ban cau » bang cau, ban can, van cau

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 - anh ((quan ha) or (luan va)) nhung cong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - anh ((quan ha) OR (luan va)) nhung cong van ban cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - anh ((quan ha) or (luan va)) nhung cong van ban cau*.