Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
hieu hien » bieu hien, dieu hien, chieu chien
nang tay » nang tai, nang tao, bang tay
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
tay hoi » tay ho, tao hoi, tay thai
cac duc » cac du, cao duc, cac dac
va danh » va dinh, va dan, va hanh
danh ca » dan ca, doanh cua, danh cho
cua tre » cua te, cuu tre, cua triet
ca cua » co 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 nang tay hoi. ((hieu hien) or (hieu viec)) cac duc va danh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang tay hoi. ((hieu hien) OR (hieu viec)) cac duc va danh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang tay hoi. ((hieu hien) or (hieu viec)) cac duc va danh ca cua tre*.