Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh cac » hanh cac, thanh bac, thanh ca
nang cau » nang cao, hang cau, nang dau
chau phu » chau phi, chau au, chau tho
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cac cua » cach cua, cac qua, ca 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 ky nang cau hoi. hieu qua ((chau phu) or (cau thi)) va thanh cac cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang cau hoi. hieu qua ((chau phu) OR (cau thi)) va thanh cac cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang cau hoi. hieu qua ((chau phu) or (cau thi)) va thanh cac cua triet*.