Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
sach thu » sach thue, sach thieu, sach tham
viec cac » vien cac, viec cua, viec lam
cua viet » ca viet, hoa viet, cua vat
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
cac luc » cau luc, coc luc, cac nuoc
va hanh » van hanh, va thanh, ban hanh
luc va » duc va, tuc va, loc 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: vu sach thu ((nang xa) OR (nang ma)) hoi. nhieu viec cac luc va hanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach thu ((nang xa) OR (nang ma)) hoi. nhieu viec cac luc va hanh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: vu sach thu ((nang xa) OR (nang ma)) hoi. nhieu viec cac luc va hanh vi cua viet*.