Perhaps you should try some spelling variations:
hinh dieu » vinh dieu, dinh dieu, hanh dieu
van hinh » van chinh, van thinh, van minh
dieu cua » dieu tra
trai ky » thai ky
nang xa » nang x, lang xa, nang ma
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
tai ky » thai ky, sai ky, dai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((tai ky) or (trai ky)) nang xa hoi. hieu ((ke cau) OR (ket cau)) duc van hinh dieu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((tai ky) OR (trai ky)) nang xa hoi. hieu ((ke cau) OR (ket cau)) duc van hinh dieu cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((tai ky) or (trai ky)) nang xa hoi. hieu ((ke cau) OR (ket cau)) duc van hinh dieu cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((tai ky) or (trai ky)) nang xa hoi. hieu ((ke cau) OR (ket cau)) duc van hinh dieu cua tre*.