Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ca lao » cua lao, ca dao, co lao
ca cao » ca dao, cu cao, ca cac
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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 nang xa hoi. hieu ve ((ca lao) OR (ca cao)) va hanh ((vi cua) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. hieu ve ((ca lao) OR (ca cao)) va hanh ((vi cua) OR (di cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. hieu ve ((ca lao) OR (ca cao)) va hanh ((vi cua) or (di cua)) triet".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu ve ((ca lao) OR (ca cao)) va hanh ((vi cua) or (di cua)) triet*.