Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sang » chieu sach, chieu xanh, hieu lang
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » manh cua
doanh cua » doanh luan
lan toan » van toan, dan toan, manh toan
lap toan » tap toan, lap doanh, phap 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 - hanh ((tranh cua) OR (doanh cua)) nhung phuong ((lan toan) or (lap toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - hanh ((tranh cua) OR (doanh cua)) nhung phuong ((lan toan) OR (lap toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sang - hanh ((tranh cua) OR (doanh cua)) nhung phuong ((lan toan) or (lap toan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - hanh ((tranh cua) OR (doanh cua)) nhung phuong ((lan toan) or (lap toan)) ban*.