Perhaps you should try some spelling variations:
dinh cuu » dinh chi
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
goc va » hoc va, doc va, uoc va
loc va » hoc va, luc va
vi cuu » vi luu, vinh cuu

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 nang xa hoi. hieu va tham ((goc va) or (loc va)) hanh ((vi cuu) or (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang xa hoi. hieu va tham ((goc va) OR (loc va)) hanh ((vi cuu) OR (dinh cuu)) tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu va tham ((goc va) or (loc va)) hanh ((vi cuu) or (dinh cuu)) tre*.