Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
ve triet » va trien, su triet
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
va hanh » va thanh, va danh, ban hanh
sinh y » sinh ly
y nang » ky nang, ly nang, v nang
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: hoc sinh y nang ma hoi. hieu van cam xuc ((va hanh) OR (van hanh)) vi ((cua te) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sinh y nang ma hoi. hieu van cam xuc ((va hanh) OR (van hanh)) vi ((cua te) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh y nang ma hoi. hieu van cam xuc ((va hanh) OR (van hanh)) vi ((cua te) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: hoc sinh y nang ma hoi. hieu van cam xuc ((va hanh) OR (van hanh)) vi ((cua te) or (ve triet))*.