Perhaps you should try some spelling variations:
doanh dao » doanh bao, doanh cao, doanh giao
ban doanh » van doanh, san doanh, ban danh
quoc ban » quoc bao, quoc lan, quoc quan
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
va chat » van chat, va phat, cao chat
ve chat » van chat
tu nang » tru nang, tu nong, tu nano
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tu nang x hoi. hieu ((ve chat) OR (va chat)) quoc ban doanh dao ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang x hoi. hieu ((ve chat) OR (va chat)) quoc ban doanh dao ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu nang x hoi. hieu ((ve chat) OR (va chat)) quoc ban doanh dao ((cua te) or (cua tu))*".