Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
thanh dam » thanh nam, thanh tam, thanh lam
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
soc va » hoc va, loc va, doc va

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