Perhaps you should try some spelling variations:
than luoc » than luc, nhan luc, than doc
van thanh » ban thanh, van tuan
cua triet » su triet, va triet
qua than » qua thanh, qua phan, qua tan
luoc van » luoc can, luoc va, luc van
thanh va » thanh van, hanh va, thanh ha
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
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. hieu qua than luoc van thanh va ((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 qua than luoc van thanh va ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu qua than luoc van thanh va ((cua triet) or (cua viet))*.