Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, dua tren
va danh » va dinh, va dan, dia danh
lam xuc » cam xuc, lam duoc
van lam » van nam
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang xa hoi. hieu van lam xuc ((va danh) OR (va hanh)) vai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang xa hoi. hieu van lam xuc ((va danh) OR (va hanh)) vai ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky dang xa hoi. hieu van lam xuc ((va danh) OR (va hanh)) vai ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te sac ky dang xa hoi. hieu van lam xuc ((va danh) OR (va hanh)) vai ((cua tre) or (cua triet))*.