Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hai, thanh tai
thanh hoa » thanh pho
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
duc ban » duc tan, duc van, dua ban
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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. thien ((van lam) or (van nam)) duc ban ((thanh moi) OR (thanh hoa)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. thien ((van lam) OR (van nam)) duc ban ((thanh moi) OR (thanh hoa)) su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. thien ((van lam) or (van nam)) duc ban ((thanh moi) OR (thanh hoa)) su triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. thien ((van lam) or (van nam)) duc ban ((thanh moi) OR (thanh hoa)) su triet*.