Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
va hanh » va thanh, va danh, ban hanh
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
hoa xuc » hoa xua, hoa xu, hoa duoc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ha xuc » ha duc, chat xuc

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 van ((ha xuc) OR (hoa xuc)) ((va hanh) or (van hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu van ((ha xuc) OR (hoa xuc)) ((va hanh) OR (van hanh)) vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu van ((ha xuc) OR (hoa xuc)) ((va hanh) or (van hanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu van ((ha xuc) OR (hoa xuc)) ((va hanh) or (van hanh)) vai cua triet*.