Perhaps you should try some spelling variations:
nhung khuong » nhung phuong, nhung huong, nhung chong
khuong tinh » chuong trinh, phuong trinh, phuong binh
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
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: doi chieu sang - hanh ((trang cua) OR (tang cua)) nhung khuong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - hanh ((trang cua) OR (tang cua)) nhung khuong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((trang cua) OR (tang cua)) nhung khuong tinh toan ban*.