Perhaps you should try some spelling variations:
hieu viec » nhieu viec, sieu viet, hieu tiem
hieu hien » bieu hien, dieu hien, chieu chien
cau treo » cau theo, cau tren, cau triet
danh vai » danh sai, danh va, doanh van
van danh » van doanh, van anh, van hanh
hieu ve » hieu va, hieu van
vai cau » va cau, van cau, vai cac
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
sach ky » sac ky, sach y, sach ty
cac lo » cac lop, cac co, cac bo
lo van » le van, vo van, so van

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 xa hoi. ((((hieu viec) OR (hieu hien))) or (hieu ve)) cac lo van danh vai cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. ((((hieu viec) OR (hieu hien))) OR (hieu ve)) cac lo van danh vai cau treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. ((((hieu viec) OR (hieu hien))) or (hieu ve)) cac lo van danh vai cau treo*".