Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
va thanh » gia thanh, ban thanh, va tinh
thai cua » than cua, tai cuc, tri cua
thu ban » thu hang
cua chu » sua chua
ban ky » van ky, dan ky
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ban ky nang ((x ho) or (o hoi)). hieu ((ve cam) OR (ve cac)) duc va thanh thai cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ban ky nang ((x ho) OR (o hoi)). hieu ((ve cam) OR (ve cac)) duc va thanh thai cua chu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ban ky nang ((x ho) or (o hoi)). hieu ((ve cam) OR (ve cac)) duc va thanh thai cua chu".
• Adding a wildcard symbol may retrieve word variants: thu ban ky nang ((x ho) or (o hoi)). hieu ((ve cam) OR (ve cac)) duc va thanh thai cua chu*.