Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
cua viet » ca viet, hoa viet, cua vat
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
lang xa » lang ha, dang xay, lang van
qua cam » qua cham, qua cac, qua ca
xuc gia » duc gia, luc gia, tuc gia
cua tre » cua te, cuu tre, cua triet

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 ty) or (sach tu)) lang xa hoi. hieu qua cam xuc gia thanh di ((cua tre) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) lang xa hoi. hieu qua cam xuc gia thanh di ((cua tre) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) lang xa hoi. hieu qua cam xuc gia thanh di ((cua tre) or (cua viet))*.