Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hang thong » hang thuong, hang khong, mang thong
thong dinh » thuong dinh, thong minh, phong dinh
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, ban cua
dinh van » sinh vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh ((tang luan) or (mang cua)) hang thong dinh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tang luan) OR (mang cua)) hang thong dinh van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tang luan) or (mang cua)) hang thong dinh van ban*.