Perhaps you should try some spelling variations:
thuat anh » thuat lanh, thuat canh, thuat nganh
thien van » thi van
hinh bai » hinh tai, hinh thai, tinh bac
minh bai » minh bac, minh hai, minh ai
duc manh » suc manh, duc anh, duc minh
dao duc » giao duc, tao duoc
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi
y nang » ky nang, ly nang, v nang
anh y » hanh y, anh d, anh _

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat anh y nang ((ma hoi) or (xa hoi)). thien van dao duc manh ((minh bai) OR (hinh bai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat anh y nang ((ma hoi) OR (xa hoi)). thien van dao duc manh ((minh bai) OR (hinh bai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat anh y nang ((ma hoi) or (xa hoi)). thien van dao duc manh ((minh bai) OR (hinh bai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat anh y nang ((ma hoi) or (xa hoi)). thien van dao duc manh ((minh bai) OR (hinh bai)) cua tre*.