Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
dinh vai » dinh van, dinh vi, dinh va
tu sach » thu sach, su sach, te sach
cuu tre » cau tren, cau treo
va dinh » van dinh, va kinh, va tinh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
ty hang » ly hang, ty xang, thi hang
ty nang » ky nang, ty xang, ly nang
cua tre » cua te, cua triet, dua tren
luc va » duc va, tuc va, loc 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 ((ty nang) or (ty hang)) xa hoi. hieu va cham luc va dinh vai ((cuu tre) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ty hang)) xa hoi. hieu va cham luc va dinh vai ((cuu tre) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ty hang)) xa hoi. hieu va cham luc va dinh vai ((cuu tre) or (cua tre))*.