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

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 xang xa hoi. hieu ve ((((cam duc) OR (cao duc))) or (pham duc)) ban hanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang xa hoi. hieu ve ((((cam duc) OR (cao duc))) OR (pham duc)) ban hanh vai cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty xang xa hoi. hieu ve ((((cam duc) OR (cao duc))) or (pham duc)) ban hanh vai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: te sach ty xang xa hoi. hieu ve ((((cam duc) OR (cao duc))) or (pham duc)) ban hanh vai cua thuoc*.