Perhaps you should try some spelling variations:
danh vien » doanh vien, danh viet, dan vien
toc sach » hoc sach, doc sach, thuoc sach
qua cham » qua hai, qua cac, va cham
vien dai » hien dai
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
v nang » va nang, vu nang, van nang
soc va » hoc va, loc va, doc va
dai te » dai de, dai tu, dai ve

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) or (toc sach)) v nang xa hoi. hieu qua cham soc va danh vien dai te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) v nang xa hoi. hieu qua cham soc va danh vien dai te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) v nang xa hoi. hieu qua cham soc va danh vien dai te*.