Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
duc toan » duc tan, duc ton, duc hoan
dua tren » dung tren
toan anh » toan hanh, tuan anh, tran anh
hieu ve » hieu va, hieu van
bao duc » dao duc, bao luc, cao duc
anh va » hanh va
ve bao » te bao, va bao
ma hoi » mai hoi, ma hoa, me hoi
y nang » ky nang, ly nang, v nang
cua te » cua tu
san y » dan y, san _

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san y nang ((ma hoi) or (xa hoi)). hieu ve bao duc toan anh va ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san y nang ((ma hoi) OR (xa hoi)). hieu ve bao duc toan anh va ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: thuat san y nang ((ma hoi) or (xa hoi)). hieu ve bao duc toan anh va ((dua tren) or (cua te))*.