Perhaps you should try some spelling variations:
nganh nong » nganh cong
sach ngan » sach ngon, sach nha, sach han
hang khi » bang khi, hang khoa, dang khoi
nong khi » cong khi, dong khi, nong thi
so sach » so sanh, bo sach, co sach
su cao » cu cao, su co
vu cao » cu cao, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach ngan hang khi đong luc ) or ( ((su cao) OR (vu cao)) nganh nong khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach ngan hang khi đong luc ) OR ( ((su cao) OR (vu cao)) nganh nong khi đong luc ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( so sach ngan hang khi đong luc ) or ( ((su cao) OR (vu cao)) nganh nong khi đong luc ))*".