Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh dai » thanh hai, thanh tai, thanh dat
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
van cac » van hac, van cau, van bac
cac xuc » cam xuc, cac nuoc, chat xuc
cua tuc » cua duc, cua tu, luat tuc
y hang » ly hang, ty hang, yu hang
va hoi » xa hoi, va hoc, va hoa
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y hang va hoi. hieu van cac xuc va thanh dai ((cua tuc) OR (cua thuoc))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y hang va hoi. hieu van cac xuc va thanh dai ((cua tuc) OR (cua thuoc))".
• Adding a wildcard symbol may retrieve word variants: toc sach y hang va hoi. hieu van cac xuc va thanh dai ((cua tuc) OR (cua thuoc))*.