Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
hanh lai » hanh lam, hanh tai, thanh lap
pham duy » pham duc
qua pham » quan pham, quy pham, qua cham
thu sach » thuat sach, thuoc sach, thu hoach
mai hoi » mai khoi, dai hoi, lai hoi
tu sach » su sach, te sach, tu cach
va hanh » van hanh, va thanh, va danh
ma hoi » xa hoi, ma hoa, me hoi
duy va » duy vat, duy van, day va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (tu sach)) ty xang ((ma hoi) or (mai hoi)). hieu qua pham duy va hanh lai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ty xang ((ma hoi) OR (mai hoi)). hieu qua pham duy va hanh lai chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ty xang ((ma hoi) or (mai hoi)). hieu qua pham duy va hanh lai chau triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ty xang ((ma hoi) or (mai hoi)). hieu qua pham duy va hanh lai chau triet*.