Perhaps you should try some spelling variations:
lvan nang » luan nang, va nang, xuan nang
su triet » su viet, su tien, ve triet
van nang » van quang, van ban, van dong
thanh va » thanh van, hanh va, thanh ha
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
xuc gia » duc gia, luc gia, tuc gia
tu sach » thu sach, su sach, te sach
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham

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 ((van nang) or (lvan nang)) xa hoi. hieu vu cham xuc gia thanh va ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((van nang) OR (lvan nang)) xa hoi. hieu vu cham xuc gia thanh va ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ((van nang) or (lvan nang)) xa hoi. hieu vu cham xuc gia thanh va ((cua tre) or (su triet))*.