Perhaps you should try some spelling variations:
trong van » trong cac
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
duc van » duc va, duc tan, duc manh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
lang xa » lang ha, dang xay, lang van
san ky » sang ky, van ky, dan ky
vi cua » vai cua, di cua
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((lang xa) or (trong van)) hoi. hieu ((ve cham) or (vu cham)) duc van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((lang xa) OR (trong van)) hoi. hieu ((ve cham) OR (vu cham)) duc van hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((lang xa) or (trong van)) hoi. hieu ((ve cham) or (vu cham)) duc van hanh vi cua tre*.