Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
thu sach » thuat sach, thuoc sach, thu hoach
vay doan » vay doanh, van doan, van doanh
tu sach » su sach, te sach, tu cach
dan cua » dan ca, ban cua, dai cua
van cua » vang cua, ban cua, nan cua
luc vay » luc va, luc van, luoc van
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang

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) or (thu sach)) y nang xa hoi. hieu ve cham luc vay doan ((van cua) OR (dan cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang xa hoi. hieu ve cham luc vay doan ((van cua) OR (dan cua)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) y nang xa hoi. hieu ve cham luc vay doan ((van cua) OR (dan cua)) tre*".