Perhaps you should try some spelling variations:
bach tuoc » sach duoc, sach nuoc
hieu viec » nhieu viec, sieu viet, hieu hien
dinh doi » dinh moi, tinh doi, dinh toi
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
doi cua » dai cua, hoi cua
va dinh » van dinh, va kinh, va tinh
tuoc va » thuoc va, nuoc va, duoc va
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va
nang xa » nang x, lang xa, nang ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. ((((hieu viec) or (hieu ve))) or (hieu van)) bach tuoc va dinh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. ((((hieu viec) OR (hieu ve))) OR (hieu van)) bach tuoc va dinh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. ((((hieu viec) or (hieu ve))) or (hieu van)) bach tuoc va dinh doi cua tre*.