Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
nang van » dang van, tang van, lang van
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
cua viet » ca viet, cua vat, cua dieu
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nam xuc » nam xua, nam thuc, nam duoc

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 van hoa. hieu van ((nam xuc) or (cam xuc)) va thanh van ((cua viet) OR (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang van hoa. hieu van ((nam xuc) OR (cam xuc)) va thanh van ((cua viet) OR (hoa viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang van hoa. hieu van ((nam xuc) or (cam xuc)) va thanh van ((cua viet) OR (hoa viet))*".