Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
doanh va » doan va, doanh tai, doanh cua
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
su tien » su kien, su hien, tu tieng
tu van » tu va

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 ky nang xa hoi. hieu ((ve cham) OR (vu cham)) tu van doanh va su tien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((ve cham) OR (vu cham)) tu van doanh va su tien".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cham) OR (vu cham)) tu van doanh va su tien*.