Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
vi cua » vai cua, di 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 nang xa hoi. hieu ((va cam) or (ve cham)) luc va hanh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ((va cam) OR (ve cham)) luc va hanh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((va cam) or (ve cham)) luc va hanh vi cua viet*.