Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
van lam » van nam
loc van » luoc van, hoc van, lo van
co sac » co sach, co cac, cao sach
sac ky » cac ky, sai ky
va lam » va lap
vi cua » vai cua, di cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: co sac ky dang xa hoi. hieu ((va lam) OR (van lam)) loc van hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sac ky dang xa hoi. hieu ((va lam) OR (van lam)) loc van hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: co sac ky dang xa hoi. hieu ((va lam) OR (van lam)) loc van hanh vi cua te*.