Perhaps you should try some spelling variations:
phuong dung » thong dung, cuong dung, phuong hoang
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
hanh trang » thanh trung, canh tranh, hanh trinh
nhung dung » ung dung, thong dung, trung dung
trang cua » tranh cua, tang cua, trung cua
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 sach) OR (chieu sang)) - hanh trang cua ((nhung dung) or (phuong dung)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chieu sang)) - hanh trang cua ((nhung dung) OR (phuong dung)) tinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chieu sang)) - hanh trang cua ((nhung dung) or (phuong dung)) tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chieu sang)) - hanh trang cua ((nhung dung) or (phuong dung)) tinh toan ban*.