Perhaps you should try some spelling variations:
ve triet » va trien
cham duc » pham duc, cham soc, pham duy
su triet » su viet, su tien
han thai » han tai, ban thai, van thai
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va han » va phan, van han, va hanh
tu san » thu san, tu ban, tu can
te cac » tu cac, ve cac, te cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te cac) or (tu san)) ky nang xa hoi. hieu va cham duc va han thai ((su triet) OR (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te cac) OR (tu san)) ky nang xa hoi. hieu va cham duc va han thai ((su triet) OR (ve triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te cac) or (tu san)) ky nang xa hoi. hieu va cham duc va han thai ((su triet) OR (ve triet))*".