Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
hang hai » hoang hai, hang tai, hang va
phan duc » pham duc, phan tu, phan dau
hieu ve » hieu va
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua cu » cua chu, cua cau, cua su
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. ((hieu ve) OR (hieu van)) phan duc va ((hang hai) OR (thanh hai)) cua cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. ((hieu ve) or (hieu van)) phan duc va ((hang hai) OR (thanh hai)) cua cu~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. ((hieu ve) or (hieu van)) phan duc va ((hang hai) OR (thanh hai)) cua cu*.