Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh cac » hanh cac, thanh bac, thanh ca
va thanh » gia thanh, ban thanh, va tinh
chau phu » chau phi, chau au, chau tho
van phuc » van phuoc, van phu, van thuc
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
cac cua » cach cua, cac qua, ca cua
so sach » so sanh, bo sach, co sach
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky nang ((ma hoi) OR (mai hoi)). hieu va ((van phuc) or (chau phu)) va thanh cac cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang ((ma hoi) OR (mai hoi)). hieu va ((van phuc) OR (chau phu)) va thanh cac cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky nang ((ma hoi) OR (mai hoi)). hieu va ((van phuc) or (chau phu)) va thanh cac cua triet*".