Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
sach ky » sac ky, sach ty, sach kem
danh co » danh cho, doanh co, anh co
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
nang xa » lang xa, nang ma, mang xa
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
co cua » con cua, ca cua, cong cua

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