Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
dang tay » dang xay, dung tay, dan tay
viec cam » viec lam, viec cua, viec va
dieu cua » dieu tra
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
tay hoi » tay ho, tao hoi, tay thai
cua tre » cua te, cuu tre, cua triet

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 dang tay hoi. hieu viec cam xuc ((va tinh) or (may tinh)) dieu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang tay hoi. hieu viec cam xuc ((va tinh) OR (may tinh)) dieu cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky dang tay hoi. hieu viec cam xuc ((va tinh) or (may tinh)) dieu cua tre*.