Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
cua triet » cua viet, su triet, va triet
dang tao » sang tao, nang tao, vang tao
hien cac » thien cac, vien cac, hieu cac
tan hanh » tan thanh, tang hanh, toan hanh
hanh dao » lanh dao, thanh dat, thanh dam
su sach » vu sach
so sach » so sanh, bo sach, co sach
ky dang » ky nang, ky danh
tao hoi » tao khoi, tao boi, tay hoi
cac duc » cac du, cao duc, cac dac
dao cua » dai cua, day 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: ((su sach) OR (so sach)) ky dang tao hoi. hieu hien cac duc tan hanh dao cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky dang tao hoi. hieu hien cac duc tan hanh dao cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky dang tao hoi. hieu hien cac duc tan hanh dao cua triet*.