Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung thong » dung thuong, dung trong, dong thong
quan trien » quan tren, quang thien, quan tri
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
trien van » thien van, trien san, trien nhan

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 ((tranh cua) OR (doanh cua)) dung thong quan trien van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh ((tranh cua) OR (doanh cua)) dung thong quan trien van".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((tranh cua) OR (doanh cua)) dung thong quan trien van*.