Perhaps you should try some spelling variations:
lang dai » lang hai, lang mai, lang chai
so triet » su triet, bo triet, mao triet
so thiet » soc thiet, hoc thiet, hoa thiet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va lang » va nang, hoa lang
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang xa hoi. hieu ve cac xuc va lang dai ((so triet) OR (so thiet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang xa hoi. hieu ve cac xuc va lang dai ((so triet) OR (so thiet))".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang xa hoi. hieu ve cac xuc va lang dai ((so triet) OR (so thiet))*.