Perhaps you should try some spelling variations:
cuc thuoc » cua thuoc, cuu thuoc, truc thuoc
van cham » van tham, va cham, van pham
hanh tai » thanh tai, hang tai, han tai
ban hanh » ban hang
van chat » cao chat
dang ha » dong ha, dung ha, lang ha
ky dang » ky nang, ky danh
duc ban » duc tan, duc van, dua ban
su sach » so sach, vu sach
su xac » pu xac, 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 sach) or (su xac)) ky dang ha noi. hieu ((van cham) or (van chat)) duc ban hanh tai cuc thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (su xac)) ky dang ha noi. hieu ((van cham) OR (van chat)) duc ban hanh tai cuc thuoc.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (su xac)) ky dang ha noi. hieu ((van cham) or (van chat)) duc ban hanh tai cuc thuoc*.