Perhaps you should try some spelling variations:
cay thuoc » cua thuoc, nam thuoc, va thuoc
tan hanh » tan thanh, tang hanh, toan hanh
hanh vai » hanh vi, hanh va, hanh tai
sach ty » sach y, sach tu, sach thu
sach uu » sach luu, sach tu, sach xu
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
vai cay » va cay, vai cac, vai gay
ang xa » lang xa, mang xa, dang xay
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) or (sach uu)) ang xa hoi. hieu ve cac duc tan hanh vai cay thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach uu)) ang xa hoi. hieu ve cac duc tan hanh vai cay thuoc.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach uu)) ang xa hoi. hieu ve cac duc tan hanh vai cay thuoc*.