Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
soc van » hoc van, oc van, sac van
doi cua » dai cua, hoi cua
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
di cua » dai cua, de cua, do 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 can ky lang xa hoi. lieu va cham soc van hanh ((di cua) or (doi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky lang xa hoi. lieu va cham soc van hanh ((di cua) OR (doi cua)) triet.
• Adding a wildcard symbol may retrieve word variants: tu can ky lang xa hoi. lieu va cham soc van hanh ((di cua) or (doi cua)) triet*.