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 tho » chat thom, cau thi, phu tho
chau phu » chau phi, chau au, cho phu
cac cua » cach cua, cac qua, ca cua
su sach » vu sach
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
so sach » so sanh, bo sach, co sach
ma hoi » mai hoi, xa hoi, ma hoa

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 nang ma hoi. hieu va ((chau phu) or (chau tho)) va thanh cac cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky nang ma hoi. hieu va ((chau phu) OR (chau tho)) va thanh cac cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky nang ma hoi. hieu va ((chau phu) or (chau tho)) va thanh cac cua triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky nang ma hoi. hieu va ((chau phu) or (chau tho)) va thanh cac cua triet*.