Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
cham xuc » cam xuc, chat xuc, cham soc
ban danh » ban doanh, ban hanh, ban dan
dieu cua » dieu tra
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
de cua » le cua, te cua
x hoi » xa hoi, o hoi, x ho

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 ky nang x hoi. ((hieu van) or (lieu va)) cham xuc ban danh ((de cua) or (dieu cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x hoi. ((hieu van) OR (lieu va)) cham xuc ban danh ((de cua) OR (dieu cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. ((hieu van) or (lieu va)) cham xuc ban danh ((de cua) or (dieu cua)) tre*.