Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh tri » thanh tri, hanh tai, hanh trinh
van hanh » van thanh, ban hanh, van anh
chat huu » pham huu
chat xuc » cam xuc, chao xu, chat cua
sach ty » sach y, sach tu, sach thu
te sach » toc sach
hieu va » lieu va, hieu qua
ty nang » ky nang, ty xang, ty hang
co hoi » co hoc, co loi
o hoi » o hoc, o hai, o hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty nang ((o hoi) or (co hoi)). hieu va ((chat xuc) OR (chat huu)) van hanh tri cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang ((o hoi) OR (co hoi)). hieu va ((chat xuc) OR (chat huu)) van hanh tri cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((o hoi) or (co hoi)). hieu va ((chat xuc) OR (chat huu)) van hanh tri cua triet*".