Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
minh di » minh ai, minh de, minh duc
xuc van » duc van, luc van, xuc ban
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
hieu ve » hieu va, hieu van
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai

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 ty) or (sach tu)) nang o hoi. hieu ve cham xuc van minh di ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang o hoi. hieu ve cham xuc van minh di ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) nang o hoi. hieu ve cham xuc van minh di ((cua tre) or (cau tren))*.