Perhaps you should try some spelling variations:
nhieu viec » nhien viet
hieu viec » hieu ve, sieu viet, hieu hien
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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 thu nang xa hoi. ((nhieu viec) OR (hieu viec)) cac xuc va hanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu nang xa hoi. ((nhieu viec) OR (hieu viec)) cac xuc va hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach thu nang xa hoi. ((nhieu viec) OR (hieu viec)) cac xuc va hanh vi cua viet*.