Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
va tinh » may tinh
tinh ve » trinh ve, tinh ven, dinh ve
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
ve cua » le cua, de cua, te cua

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 ky ((lang xa) or (nang x)) hoi. hieu qua cac xuc va tinh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((lang xa) OR (nang x)) hoi. hieu qua cac xuc va tinh ve cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((lang xa) or (nang x)) hoi. hieu qua cac xuc va tinh ve cua tre*.