Perhaps you should try some spelling variations:
chiet tach » chieu sach
cong thanh » dong thanh, cong trinh, cong tan
cua nhung » va nhung
cong manh » cong danh, duong manh, hoang manh
ho chiet » ho chieu, ho thiet, hoc thiet
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
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: ho chiet tach - anh dung cua nhung ((cong manh) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - anh dung cua nhung ((cong manh) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - anh dung cua nhung ((cong manh) or (cong thanh)) toan cau*.