Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh van » thanh san, thanh toan, thanh phan
van thanh » ban thanh, van tuan
thu sach » thuat sach, thuoc sach, thu hoach
lang lai » lang dai, lang hai, lang mai
ve cham » va cham, ve chat, vu cham
van cua » vang cua, ban cua, dan cua
xuc van » duc van, luc van, vuc van
tu sach » su sach, te sach, tu cach
lai hoi » dai hoi, lai hoa, lai roi
y lang » o lang, _ lang, tay lang
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (thu sach)) y lang lai hoi. hieu ((ve cam) OR (ve cham)) xuc van thanh van cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y lang lai hoi. hieu ((ve cam) OR (ve cham)) xuc van thanh van cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (thu sach)) y lang lai hoi. hieu ((ve cam) OR (ve cham)) xuc van thanh van cua thuoc".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y lang lai hoi. hieu ((ve cam) OR (ve cham)) xuc van thanh van cua thuoc*.