Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
thu sach » thuat sach, thuoc sach, thu hoach
viec cam » viec lam, viec cua, viec va
tu sach » su sach, te sach, tu cach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va tinh » may tinh
tinh di » tinh doi, trinh di, tinh da
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
di cua » dai cua, doi cua, de cua

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) OR (thu sach)) ky lang xa hoi. nhieu viec cam xuc va tinh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky lang xa hoi. nhieu viec cam xuc va tinh di cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ky lang xa hoi. nhieu viec cam xuc va tinh di cua tre*.