Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
thanh vi » thanh va, thanh ve, nhanh vi
vu sach » vu bach, su sach, vu khach
ly nang » ky nang, ly hang, ly vang
va cham » va chat, va tham
luc van » luoc van, luu van, duc van
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, v nang, may nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ((y nang) or (ly nang)) xa hoi. lieu va cham luc van ((thanh vi) OR (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((y nang) OR (ly nang)) xa hoi. lieu va cham luc van ((thanh vi) OR (hanh vi)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ((y nang) or (ly nang)) xa hoi. lieu va cham luc van ((thanh vi) OR (hanh vi)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ((y nang) or (ly nang)) xa hoi. lieu va cham luc van ((thanh vi) OR (hanh vi)) cuu tre*.