Perhaps you should try some spelling variations:
cau phuc » cau truc, chau phu, huu phuc
dua tren » dung tren
dinh dat » dinh ket, dinh van, dinh lam
tu sach » thu sach, su sach, tu cach
vu dinh » quy dinh
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
te sach » toc sach
ve cau » ke cau, va cau, ve cac

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) or (te sach)) ky nang xa hoi. hieu ve cau phuc vu dinh dat ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. hieu ve cau phuc vu dinh dat ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. hieu ve cau phuc vu dinh dat ((dua tren) or (cuu tre))*.