Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va danh, ban hanh
doi cua » dai cua, hoi cua
te cao » te bao
ve cau » ke cau, va cau, ve cac
de cua » le cua, te cua, dieu cua

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: te cao ky nang x ho. hieu ve cau luc ((va hanh) OR (va thanh)) ((doi cua) OR (de cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cao ky nang x ho. hieu ve cau luc ((va hanh) OR (va thanh)) ((doi cua) or (de cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: te cao ky nang x ho. hieu ve cau luc ((va hanh) OR (va thanh)) ((doi cua) or (de cua)) tre*.