Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
trung cap » trung tam
dung dung » ung dung, dung ung, dung dong
dung van » duong van, dung va, dang van
tay cao » tay co, toan cao
tao cao » bao cao, toan cao

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 - hanh ((trung cap) or (truong cao)) dung dung van ((tay cao) OR (tao cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trung cap) OR (truong cao)) dung dung van ((tay cao) OR (tao cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((trung cap) or (truong cao)) dung dung van ((tay cao) OR (tao cao))*".