Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
tang ma » mang may, tang van
xuc van » duc van, luc van, xuc ban
ve cam » ve cham, ve cac, va cam
sac ky » cac ky
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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 (sai ky)) tang ma hoi. hieu ve cam xuc van hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) tang ma hoi. hieu ve cam xuc van hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sai ky)) tang ma hoi. hieu ve cam xuc van hanh vi ((cua tre) or (cua te))*.