Perhaps you should try some spelling variations:
tran anh » tran manh, tran thanh, tran dinh
vai cua » dai cua, hai cua, lai cua
cao duc » dao duc, cao suc, giao duc
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
lanh y » anh y, lanh lay
ve cao » va cao, ve bao, ve cac
hanh y » hanh ky, anh y, hanh _
tuan » quan, luan, toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat ((lanh y) or (hanh y)) tang ma hoi. hieu ve cao duc ((tran anh) OR (tuan anh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh y) OR (hanh y)) tang ma hoi. hieu ve cao duc ((tran anh) OR (tuan anh)) vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((lanh y) or (hanh y)) tang ma hoi. hieu ve cao duc ((tran anh) OR (tuan anh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh y) or (hanh y)) tang ma hoi. hieu ve cao duc ((tran anh) OR (tuan anh)) vai cua tre*.