Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
tan thanh » tran thanh, tang thanh, toan thanh
thanh ve » hanh ve, thanh va, thanh vien
bach ty » sach ty, xach tay, bach thu
ty hang » ly hang, ty xang, thi hang
hang ca » hang va, nang cao, hang tai
van cam » van lam, van cau, van dam
ca hoi » cau hoi, cua hoi, xa hoi
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach ty hang ca hoi. hieu ((van cam) or (van nam)) duc tan thanh ve cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach ty hang ca hoi. hieu ((van cam) OR (van nam)) duc tan thanh ve cua thuoc.
• Adding a wildcard symbol may retrieve word variants: vu bach ty hang ca hoi. hieu ((van cam) or (van nam)) duc tan thanh ve cua thuoc*.