Perhaps you should try some spelling variations:
chat huu » pham huu
su sach » so sach, vu sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua cu » cua chu, cua cau, cua co
huu va » cuu va, tuu va
cua te » cua tu
cua su » qua su

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