Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, xuan thong
chieu sach » chinh sach, chiet tach, chieu sang
luat thong » luat thuong, suat thong, xuat thong
thong manh » thong minh, thong mang, thong danh
hanh dung » thanh dung, anh dung, hanh dong
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban
chi anh » chi danh, chi hanh, thi anh

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 (chi anh)) - hanh dung ((luan thong) OR (luat thong)) thong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (chi anh)) - hanh dung ((luan thong) OR (luat thong)) thong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) or (chi anh)) - hanh dung ((luan thong) OR (luat thong)) thong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (chi anh)) - hanh dung ((luan thong) OR (luat thong)) thong manh toan ban*.