Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa
loc va » luc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky nang ma hoi. hieu ve cham ((loc va) or (hoc va)) thanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang ma hoi. hieu ve cham ((loc va) OR (hoc va)) thanh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang ma hoi. hieu ve cham ((loc va) or (hoc va)) thanh vi cua vat*.