Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
thieu xanh » chieu xanh, hieu manh, thien anh
trinh luan » trinh quan, trinh han, trinh toan
hoc thieu » toc thieu, hoc hien
phong van » phung van, thong van, phong va
van toan » van tuan, van tan, van thanh
toan ban » van ban

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 - hanh ((trinh luan) or (trinh luat)) nhung phong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((trinh luan) OR (trinh luat)) nhung phong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trinh luan) or (trinh luat)) nhung phong van toan ban*.