Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
cay phoi » cap phoi, tay hoi, cay cho
tu sach » thu sach, su sach, te sach
tinh di » tinh doi, trinh di, tinh da
cuu tre » cua tre, cau tren, cau treo
viec va » vien va, viec cua, viec lam
ky danh » ky anh, ky dang
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
di cuu » di cau, di cua, dinh cuu

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 ((ky nang) or (ky danh)) cay phoi. nhieu viec va ((xuc va) OR (tuc va)) tinh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky nang) OR (ky danh)) cay phoi. nhieu viec va ((xuc va) OR (tuc va)) tinh di cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky nang) or (ky danh)) cay phoi. nhieu viec va ((xuc va) OR (tuc va)) tinh di cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky nang) or (ky danh)) cay phoi. nhieu viec va ((xuc va) OR (tuc va)) tinh di cuu tre*.