Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
doi chieu » doc hieu, doi chi, ho chieu
suat dung » thuat dung, xuat duong, suat huong
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
doan cau » toan cau, doan dau, doan cap

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 suat dung ((cong tap) OR (cong tac)) doan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hanh trinh suat dung ((cong tap) OR (cong tac)) doan cau*".