Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thu sac » thu sach, thu san, thu xac
nang xa » nang x, lang xa, nang ma
ve cham » va cham, ve chat, vu cham
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh tri
sac ky » cac ky, sai ky
va cao » va cac, va co, va dao
loc va » hoc va, luc 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: thu sac ky nang xa hoi. hieu ((va cao) or (ve cham)) loc va dinh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky nang xa hoi. hieu ((va cao) OR (ve cham)) loc va dinh vi cua viet.
• Adding a wildcard symbol may retrieve word variants: thu sac ky nang xa hoi. hieu ((va cao) or (ve cham)) loc va dinh vi cua viet*.