Perhaps you should try some spelling variations:
cay thuoc » cua thuoc, nam thuoc, va thuoc
cua quoc » cua nuoc, cua thuoc
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
cao duc » dao duc, cao suc, giao duc
te sach » toc sach
sach ty » sach y, sach tu, sach thu
cam duc » cam xuc, pham duc, nam duoc
hieu ve » hieu va, hieu van
ang xa » lang xa, mang xa, dang xay
ty ang » ty xang, ty hang, ty anh

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty ang xa hoi. hieu ve ((cam duc) or (cao duc)) ban hanh vai ((cua quoc) or (cay thuoc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ang xa hoi. hieu ve ((cam duc) OR (cao duc)) ban hanh vai ((cua quoc) OR (cay thuoc)).
• Adding a wildcard symbol may retrieve word variants: te sach ty ang xa hoi. hieu ve ((cam duc) or (cao duc)) ban hanh vai ((cua quoc) or (cay thuoc))*.