Perhaps you should try some spelling variations:
nhanh dung » nhanh dong, hanh dung, nhanh hung
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, mot chieu
dung cua » dung luan, dung cho
cong tap » cuong tap, cong tac, cong tan
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 chieu) OR (doi chieu)) sach - nhanh dung cua nhung cong tap ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - nhanh dung cua nhung cong tap ((toan cau) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - nhanh dung cua nhung cong tap ((toan cau) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - nhanh dung cua nhung cong tap ((toan cau) or (van ban))*.