Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhan thong » nhan khong, nhan tong, nhan tuong
nhan trong » nhuan trong, nhat trong, nhin trong
hien sach » dien sach, kien sach, thien hach
nha thong » nhat thuong, nghe thong, nha truong
cong san » cong tac
san thai » sac thai, ban thai, van thai
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - canh doanh ((((nhan thong) OR (nhan trong))) or (nha thong)) cong san thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - canh doanh ((((nhan thong) OR (nhan trong))) OR (nha thong)) cong san thai cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien sach - canh doanh ((((nhan thong) OR (nhan trong))) or (nha thong)) cong san thai cao*".