Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
dang tay » dang xay, dung tay, dan tay
viec lam » viec va
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
tay hoi » tay ho, tao hoi, tay thai
ty dang » ty xang, ky dang, ty hang
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua
xac va » tac va, ac va, bac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty dang tay hoi. nhieu viec lam ((xac va) or (tuc va)) tinh ((di cua) OR (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty dang tay hoi. nhieu viec lam ((xac va) OR (tuc va)) tinh ((di cua) OR (de cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty dang tay hoi. nhieu viec lam ((xac va) or (tuc va)) tinh ((di cua) OR (de cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty dang tay hoi. nhieu viec lam ((xac va) or (tuc va)) tinh ((di cua) OR (de cua)) tre*.