Perhaps you should try some spelling variations:
duoc van » duoc va, duc van, duoc ban
hieu van » hieu va, thien van, lieu va
van tao » van thao, vang tao, van tai
nang ma » tang ma, sang ma, nang cao
van anh » van thanh, tuan anh, van minh
anh dai » vanh dai, anh bai, anh dat
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
hanh y » hanh ky, anh y, hanh _
ma hoi » mai hoi, xa hoi, ma hoa
lanh y » anh y, lanh lay

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thuat ((lanh y) OR (hanh y)) nang ma hoi. hieu van tao duoc van anh dai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat ((lanh y) OR (hanh y)) nang ma hoi. hieu van tao duoc van anh dai ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: thuat ((lanh y) OR (hanh y)) nang ma hoi. hieu van tao duoc van anh dai ((cua tre) or (cuu tre))*.