Perhaps you should try some spelling variations:
thanh cac » hanh cac, thanh bac, thanh ca
van thanh » ban thanh, van tuan
cua viet » ca viet, hoa viet, cua vat
hieu van » hieu va, thien van, lieu va
cac cua » cach cua, cac qua, ca cua
xuc van » duc van, luc van, vuc van
nam xuc » cam xuc, nam xua, nam thuc
bo sach » co sach, hoc sach
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
te sach » toc sach

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((bo sach) or (te sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van nam xuc van thanh cac cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((bo sach) OR (te sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van nam xuc van thanh cac cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((bo sach) or (te sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van nam xuc van thanh cac cua viet".
• Adding a wildcard symbol may retrieve word variants: ((bo sach) or (te sach)) ky ((nang xa) OR (nang ma)) hoi. hieu van nam xuc van thanh cac cua viet*.