Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cua cua » cua chua, qua cua, cua cha
y nang » ky nang, ly nang, v nang
loc va » hoc va, luc va
va dau » va dao
ca cua » co 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 y nang xa hoi. hieu va cham loc va dau ((cua cua) or (ca cua)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu va cham loc va dau ((cua cua) OR (ca cua)) viet*.