Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
su triet » su viet, su tien, ve triet
hanh dao » lanh dao, thanh dam, doanh dao
va triet » va thiet, va trien, ve triet
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
soc va » hoc va, loc va, doc va
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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 (hanh dao)) ((su triet) or (va triet))~.
• 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 (hanh dao)) ((su triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu va cham soc va ((thanh dat) or (hanh dao)) ((su triet) or (va triet))*.