Perhaps you should try some spelling variations:
thi nang » thi cong, ki nang, thi hanh
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cau loc » hau loc, cau hoc, cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
xac hoi » xa hoi, cac thoi, cac khoi
sac ly » sac ky
va xac » va cac
tu sac » tu sach, tu cac, tu san

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 ly va xac hoi. ((hieu ve) OR (thi nang)) cau loc ((va hanh) OR (va danh)) vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ly va xac hoi. ((hieu ve) or (thi nang)) cau loc ((va hanh) OR (va danh)) vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ly va xac hoi. ((hieu ve) or (thi nang)) cau loc ((va hanh) OR (va danh)) vai cua tre*.