Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
van cam » van nam, van lam, van dam
hai cua » thai cua, dai cua, hoi cua
tuc gia » tac gia, duc gia, toc gia
van cau » van dau, van hau, van chat
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu
o lai » o lao
o hai » co hai, so hai, _ hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang ((o hai) OR (o lai)). hieu ((van cam) or (van cau)) tuc gia thanh hai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang ((o hai) OR (o lai)). hieu ((van cam) OR (van cau)) tuc gia thanh hai cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang ((o hai) OR (o lai)). hieu ((van cam) or (van cau)) tuc gia thanh hai cua tu".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang ((o hai) OR (o lai)). hieu ((van cam) or (van cau)) tuc gia thanh hai cua tu*.