Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
cuu tre » cua tre, cau tren, cau treo
duc van » duc va, duc tan, duc manh
anh tai » hanh tai, anh thai, vanh tai
van anh » van thanh, tuan anh, van minh
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, ve cac, va cam
su dai » sau dai, si dai, su tai
su sai » su tai, su hai, su mai

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: ((su sai) OR (su dai)) ky nang xa hoi. hieu ve cam duc van anh tai ((dung tren) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sai) OR (su dai)) ky nang xa hoi. hieu ve cam duc van anh tai ((dung tren) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: ((su sai) OR (su dai)) ky nang xa hoi. hieu ve cam duc van anh tai ((dung tren) or (cuu tre))*.