Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
thanh ve » hanh ve, thanh va, thanh van
cua viet » ca viet, hoa viet, cua vat
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
su viet » so viet

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 lang xa hoi. hieu qua cac xuc van ((thanh ve) OR (thanh vien)) ((cua viet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu qua cac xuc van ((thanh ve) OR (thanh vien)) ((cua viet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. hieu qua cac xuc van ((thanh ve) OR (thanh vien)) ((cua viet) or (su viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu qua cac xuc van ((thanh ve) OR (thanh vien)) ((cua viet) or (su viet))*.