Perhaps you should try some spelling variations:
viec canh » vien canh, viet anh, viec cong
hieu viec » nhieu viec, hieu ve, sieu viet
canh thuc » anh thuc, cach thuc, danh thuc
nang xay » dang xay, nganh xay, nang xuan
vat tinh » sat tinh, vat sinh, hoat tinh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
tinh va » tich va, trinh van, trinh vat
chu tre » chu tri, cuu tre, cau tren
cho tre » cho thue, khoe tre

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 xay hoi. hieu viec canh thuc vat tinh va ((chu tre) OR (cho tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xay hoi. hieu viec canh thuc vat tinh va ((chu tre) OR (cho tre))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xay hoi. hieu viec canh thuc vat tinh va ((chu tre) OR (cho tre))*.