Perhaps you should try some spelling variations:
ve triet » va trien, su triet
dang mau » dong mau, dang van, dang su
hieu van » hieu va, thien van, lieu va
dang ma » dang mam, dang mat, tang ma
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
hoc sai » hoc dai, hoc bai, hoc tai
sai ky » sac ky
xuc va » duc va, tuc va, luc va
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: hoc sai ky ((dang ma) or (dang mau)) hoi. hieu van cam xuc va hanh vi ((cua te) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sai ky ((dang ma) OR (dang mau)) hoi. hieu van cam xuc va hanh vi ((cua te) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: hoc sai ky ((dang ma) or (dang mau)) hoi. hieu van cam xuc va hanh vi ((cua te) or (ve triet))*.