Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
van chat » cao chat
van cham » van tham, va cham, van pham
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
duc van » duc va, duc tan, duc manh
van anh » van thanh, tuan anh, van minh
anh hai » lanh hai, manh hai, anh thai
hai cua » thai cua, dai cua, hoi cua
su xac » pu xac, su cac
su sac » su sach, su cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) or (su xac)) ky dang ha noi. hieu ((van cham) or (van chat)) duc van anh hai cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) ky dang ha noi. hieu ((van cham) OR (van chat)) duc van anh hai cua thuoc.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su xac)) ky dang ha noi. hieu ((van cham) or (van chat)) duc van anh hai cua thuoc*.