Perhaps you should try some spelling variations:
nhan dien » nhan vien, nhan dieu, nhan dan
hoc sach » hoc sinh, hoc cac, hoc anh
dien cua » dieu cua, dien cuc, dien cu
lieu van » lieu va, hieu van, sieu van
van tham » van thanh, van tuan, van chat
da nang » cam nang, kha nang, cao nang
vu dang » su dang, vu quang, cua dang
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ((vu dang) or (da nang)) xa hoi. lieu van tham ((tuc va) or (tuc xa)) nhan dien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ((vu dang) OR (da nang)) xa hoi. lieu van tham ((tuc va) OR (tuc xa)) nhan dien cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ((vu dang) or (da nang)) xa hoi. lieu van tham ((tuc va) or (tuc xa)) nhan dien cua tre*.