Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 - thanh tung cua nhung cong tac ((((toan cau) OR (toan ban))) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cua nhung cong tac ((((toan cau) OR (toan ban))) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh tung cua nhung cong tac ((((toan cau) OR (toan ban))) or (thanh lap))*".