Perhaps you should try some spelling variations:
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu sai » tu bai, tu san, tu cai
vi cua » vai cua, di cua
de cua » le cua, te cua, dieu cua
ve ca » ve cac, ve cai, ve cau
ca do » ca dao, cau do, cap do
do va » do van, so va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ((ky lang) or (ky nang)) xa hoi. hieu ve ca do va hanh ((vi cua) or (de cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ((ky lang) OR (ky nang)) xa hoi. hieu ve ca do va hanh ((vi cua) OR (de cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sai ((ky lang) or (ky nang)) xa hoi. hieu ve ca do va hanh ((vi cua) or (de cua)) triet*.