Perhaps you should try some spelling variations:
nhan tai » hang tai, van tai, toan tai
cham duc » pham duc, cham soc, pham duy
cua tre » cua te, cuu tre, cua triet
tai cua » thai cua, tai cuc, tri cua
va nhan » van nhan, ca nhan, va phan
hieu va » hieu qua
danh xa » danh ca, dinh xa, canh xa
ky danh » ky anh, ky dang
tu san » thu san, tu ban, tu can
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ve cac) or (tu san)) ky danh xa hoi. ((hieu va) OR (lieu va)) cham duc va nhan tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ve cac) OR (tu san)) ky danh xa hoi. ((hieu va) OR (lieu va)) cham duc va nhan tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ve cac) or (tu san)) ky danh xa hoi. ((hieu va) OR (lieu va)) cham duc va nhan tai cua tre*".