Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, voi doanh
cham luc » cham soc, nhan luc, cham cuu
thai cua » than cua, tai cuc, tri 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
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
luc vay » luc va, luc van, luoc van
tai cua » tai cuc, tri cua, dai cua

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 luc vay doanh ((tai cua) OR (thai cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ve cham luc vay doanh ((tai cua) OR (thai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ve cham luc vay doanh ((tai cua) OR (thai cua)) tre*.