Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham luc » cham soc, nhan luc, cham cuu
tinh di » tinh doi, trinh di, tinh da
va tinh » may tinh
tu cach » tu cac
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
va cham » va chat, va tham
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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 (su sach)) ky nang x hoi. hieu va cham luc va tinh di ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang x hoi. hieu va cham luc va tinh di ((cua triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (su sach)) ky nang x hoi. hieu va cham luc va tinh di ((cua triet) OR (su triet))*".