Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thi nang » thi cong, ki nang, thi hanh
tu cach » tu cac
tu sach » thu sach, su sach, te sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh
hac tuc » thac toc, thai tuc
tuc gia » tac gia, duc gia, toc gia
san cua » sang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (tu sach)) ty nang xa hoi. ((thi van) OR (thi nang)) hac tuc gia thanh san cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (tu sach)) ty nang xa hoi. ((thi van) OR (thi nang)) hac tuc gia thanh san cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (tu sach)) ty nang xa hoi. ((thi van) OR (thi nang)) hac tuc gia thanh san cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (tu sach)) ty nang xa hoi. ((thi van) OR (thi nang)) hac tuc gia thanh san cua triet*.