Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
chieu sach » chinh sach, chiet tach, chieu sang
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
phong van » phung van, thong van, phong va
manh cua » doanh cua, ban cua
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: thu ((chieu sach) or (dieu hanh)) - canh manh cua nhung phong van ban cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((chieu sach) OR (dieu hanh)) - canh manh cua nhung phong van ban cau*.