Perhaps you should try some spelling variations:
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
danh vi » hanh vi, dinh vi, danh di
cua te » cua tu
cua su » qua su
cuu va » cuu van, cuu ve
huu va » tuu va
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. hieu va chat ((huu va) OR (cuu va)) danh vi ((cua te) or (cua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu va chat ((huu va) OR (cuu va)) danh vi ((cua te) OR (cua su))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang x hoi. hieu va chat ((huu va) OR (cuu va)) danh vi ((cua te) or (cua su))*".