Perhaps you should try some spelling variations:
cac doan » cac doanh, cac dan, cac don
so sanh » do sanh
sanh ky » hanh ky, sang ky, nganh ky
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu van
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc cac » xuc tac, tuc cac, xuc cam
va cua » va chua, via cua, ca cua
cua tu » cua tuc, cua su, cua cu

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 ky nang cao hoi. ((hieu ve) OR (hieu va)) cac xuc cac doan va cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sanh ky nang cao hoi. ((hieu ve) OR (hieu va)) cac xuc cac doan va cua tu".
• Adding a wildcard symbol may retrieve word variants: so sanh ky nang cao hoi. ((hieu ve) OR (hieu va)) cac xuc cac doan va cua tu*.