Perhaps you should try some spelling variations:
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam lao » ca lao, cam lam, cam lo
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
lao va » tao va, cao va, bao va
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 sac ky lang xa hoi. hieu va cam lao va hanh ((((vi cua) or (lai cua))) or (di cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. hieu va cam lao va hanh ((((vi cua) OR (lai cua))) OR (di cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. hieu va cam lao va hanh ((((vi cua) or (lai cua))) or (di cua)) triet*.