Perhaps you should try some spelling variations:
bach khoa » anh khoa
nam thuoc » nam thuc, nam thu, nha thuoc
sach kho » sach dao, sach nha, sach kem
hieu van » hieu va, thien van, lieu va
thuoc la » thuoc ma, thuoc va, thuoc tai
hanh vai » hanh vi, hanh va, hanh tai
tang ma » mang may, tang van
la hanh » va hanh, lu hanh, ly hanh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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 kho) OR (bach khoa)) tang ma hoi. hieu van nam thuoc la hanh vai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach kho) OR (bach khoa)) tang ma hoi. hieu van nam thuoc la hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach kho) OR (bach khoa)) tang ma hoi. hieu van nam thuoc la hanh vai cuu tre*.