Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
tu sach » thu sach, su sach, te sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va danh » va dinh, va hanh, dia danh
van cuu » van cau, van chu, van cu
cuu tre » cua tre, cau tren, cau treo
va dan » ca dan, va dao, va dau

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ly nang xa hoi. hieu ve cham luc ((va danh) OR (va dan)) van cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ly nang xa hoi. hieu ve cham luc ((va danh) OR (va dan)) van cuu tre*.