Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
cau triet » cau trieu, su triet, cua triet
hanh lai » hanh lam, hanh tai, thanh lap
nang xa » nang x, lang xa, nang ma
van hac » van hoc, van hai, van chat
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
van ha » van hoa, van chat, van hanh

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 ((van hac) OR (van ha)) duc va ((hanh lai) or (thanh phan)) cau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu ((van hac) OR (van ha)) duc va ((hanh lai) OR (thanh phan)) cau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang xa hoi. hieu ((van hac) OR (van ha)) duc va ((hanh lai) or (thanh phan)) cau triet".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu ((van hac) OR (van ha)) duc va ((hanh lai) or (thanh phan)) cau triet*.