Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
te sach » toc sach
ty hang » ly hang, ty xang, thi hang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty hang) or (ky nang)) xa hoi. hieu va cham luc va dan di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty hang) OR (ky nang)) xa hoi. hieu va cham luc va dan di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty hang) or (ky nang)) xa hoi. hieu va cham luc va dan di cua tre*.