Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
va hanh » van hanh, va danh, ban hanh
cam tuc » cam xuc, cam tu, nam thuc
so sanh » do sanh
hieu ve » hieu van
cao hoi » cau hoi, co hoi, cao hoc
sanh y » sinh y, anh y, hanh y
y nang » ky nang, ly nang, v nang
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: so sanh y nang cao hoi. ((hieu ve) OR (hieu va)) cam tuc ((va hanh) or (va thanh)) vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh y nang cao hoi. ((hieu ve) OR (hieu va)) cam tuc ((va hanh) OR (va thanh)) vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh y nang cao hoi. ((hieu ve) OR (hieu va)) cam tuc ((va hanh) or (va thanh)) vi cua viet".
• Adding a wildcard symbol may retrieve word variants: so sanh y nang cao hoi. ((hieu ve) OR (hieu va)) cam tuc ((va hanh) or (va thanh)) vi cua viet*.