Perhaps you should try some spelling variations:
nhan thuc » nhan luc, dan thuc, toan thuc
cham xuc » cam xuc, chat xuc, cham soc
thu sach » tu sach, thuat sach, thuoc sach
thanh va » thanh van, hanh va, thanh ha
nang mai » nang ma, nang tai, lang mai
thanh vi » hanh vi, thanh ve, nhanh vi
te sach » toc sach
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
ve cham » va cham, ve chat, vu cham
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: ((te sach) or (thu sach)) y nang mai hoi. hieu ve cham xuc van ((thanh vi) OR (thanh va)) nhan thuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) y nang mai hoi. hieu ve cham xuc van ((thanh vi) OR (thanh va)) nhan thuc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thu sach)) y nang mai hoi. hieu ve cham xuc van ((thanh vi) OR (thanh va)) nhan thuc".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) y nang mai hoi. hieu ve cham xuc van ((thanh vi) OR (thanh va)) nhan thuc*.