Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, mang xa
cac luc » cau luc, coc luc, cac nuoc
nang ma » tang ma, sang ma, nang cao
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac
sac ky » sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sac ky) OR (cac ky)) ((nang xa) or (nang ma)) hoi. hieu ve cac luc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) ((nang xa) OR (nang ma)) hoi. hieu ve cac luc va hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) ((nang xa) or (nang ma)) hoi. hieu ve cac luc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) ((nang xa) or (nang ma)) hoi. hieu ve cac luc va hanh vi cua tre*.