Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh luan » trinh quan, trinh han, trinh toan
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
trinh cua » tinh cua, trinh quan, trinh chat
dong cong » duong cong, dung cong, dang cong
toan cau » toan cao, toan ban, toan tap

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