Perhaps you should try some spelling variations:
nhung phuong » dung phuong, truong phuong, bang phuong
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhu phuong » thu phuong, thi phuong, thu huong
doanh cua » doanh luan
toan ban » van ban
la toan » lap toan, va toan, le toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) OR (chieu sach)) - hanh doanh cua ((nhung phuong) or (nhu phuong)) la toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (chieu sach)) - hanh doanh cua ((nhung phuong) OR (nhu phuong)) la toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sang) OR (chieu sach)) - hanh doanh cua ((nhung phuong) or (nhu phuong)) la toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) OR (chieu sach)) - hanh doanh cua ((nhung phuong) or (nhu phuong)) la toan ban*.