Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
thu sach » tu sach, thuat sach, thuoc sach
vuc van » duc van, luc van, thuc van
cam vuc » cam xuc
hieu ve » hieu va, hieu van
tu cach » tu cac
mai hoi » mai khoi, dai hoi, lai hoi
ve cam » ve cham, ve cac, va cam
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua

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)) v nang ((mai hoi) or (dai han)). hieu ve cam vuc van thanh vi cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) v nang ((mai hoi) OR (dai han)). hieu ve cam vuc van thanh vi cua thuoc.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) v nang ((mai hoi) or (dai han)). hieu ve cam vuc van thanh vi cua thuoc*.