Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
vai cua » hai cua, lai cua, bai cua
su sach » so sach
v nang » va nang, vu nang, van nang
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu sach)) v nang xa hoi. hieu viec cac xuc va hanh ((vai cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) v nang xa hoi. hieu viec cac xuc va hanh ((vai cua) OR (dai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) v nang xa hoi. hieu viec cac xuc va hanh ((vai cua) or (dai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) v nang xa hoi. hieu viec cac xuc va hanh ((vai cua) or (dai cua)) triet*.