Perhaps you should try some spelling variations:
chat viet » cham viet, nhat viet, chuan viet
lam chat » luan chat, cao chat, ly chat
pham cuu » pham huu, cham cuu, pham cua
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sanh) OR (do sanh)) ty nang xa hoi. hieu ve pham cuu ((va hanh) OR (va danh)) lam chat viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sanh) or (do sanh)) ty nang xa hoi. hieu ve pham cuu ((va hanh) OR (va danh)) lam chat viet~".
• Adding a wildcard symbol may retrieve word variants: ((so sanh) or (do sanh)) ty nang xa hoi. hieu ve pham cuu ((va hanh) OR (va danh)) lam chat viet*.