Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
hang xa » hoang xa, hang va, hang ca
y hang » ly hang, ty hang, yu hang
va dao » ca dao
va dan » ca dan, va dau, va dap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y hang xa hoi. hieu ve cham xuc ((va dan) or (va dao)) lai ((cua tre) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y hang xa hoi. hieu ve cham xuc ((va dan) OR (va dao)) lai ((cua tre) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: su sach y hang xa hoi. hieu ve cham xuc ((va dan) or (va dao)) lai ((cua tre) or (dau tren))*.