Perhaps you should try some spelling variations:
luoc can » luc canh, hoc can, luoc dai
dang mam » dang nam, dang mau, dang mat
cuu tre » cua tre, cau tren, cau treo
ky dang » ky nang, ky danh
mam hoi » mam hoai, nam hoi, mai hoi
hieu ve » hieu van
hieu va » lieu va, hieu qua
duc van » duc va, duc tan, duc manh
vi cuu » vi luu, vinh cuu
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan 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 san ky dang mam hoi. ((hieu ve) or (hieu va)) cac ((duc van) or (luoc can)) hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky dang mam hoi. ((hieu ve) OR (hieu va)) cac ((duc van) OR (luoc can)) hanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te san ky dang mam hoi. ((hieu ve) or (hieu va)) cac ((duc van) or (luoc can)) hanh vi cuu tre*.