Perhaps you should try some spelling variations:
nhieu viec » nhien viet
hieu viec » hieu ve, sieu viet, hieu hien
tu sach » thu sach, su sach, te sach
tinh di » tinh doi, trinh di, tinh da
va tinh » may tinh
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
tang xa » trang xa, tang ma, tang ha
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 ky ((tang xa) OR (lang xa)) hoi. ((nhieu viec) or (hieu viec)) cam xuc va tinh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((tang xa) OR (lang xa)) hoi. ((nhieu viec) OR (hieu viec)) cam xuc va tinh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((tang xa) OR (lang xa)) hoi. ((nhieu viec) or (hieu viec)) cam xuc va tinh di cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((tang xa) OR (lang xa)) hoi. ((nhieu viec) or (hieu viec)) cam xuc va tinh di cua tre*.