Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
tay lang » tai lang, tay tang, tay quang
lang mai » lang dai, lang hai, lang man
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
tu cach » tu cac
mai hoi » mai khoi, dai hoi, lai hoi
ve cac » va cac, vien cac
ve cam » ve cham, 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 cach) or (thu sach)) tay lang mai hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh vai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) tay lang mai hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh vai cua thuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thu sach)) tay lang mai hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh vai cua thuoc".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) tay lang mai hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh vai cua thuoc*.