Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh di » hanh vi, hanh de, hang di
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
hoa hoi » khoa hoi, hoa hoc, hoa doi
ha hoi » ha noi, xa hoi, va hoi
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
su dai » sau dai, si dai, su tai
di cua » dai cua, doi cua, de cua
su sai » su tai, su hai, su mai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sai) OR (su dai)) ky nang ((ha hoi) or (hoa hoi)). hieu va cam luc va hanh di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sai) OR (su dai)) ky nang ((ha hoi) OR (hoa hoi)). hieu va cam luc va hanh di cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sai) OR (su dai)) ky nang ((ha hoi) or (hoa hoi)). hieu va cam luc va hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sai) OR (su dai)) ky nang ((ha hoi) or (hoa hoi)). hieu va cam luc va hanh di cua triet*.