Perhaps you should try some spelling variations:
sach tham » sach nha
tham nang » nham nang, tham lang, tham nhung
pham chuc » pham duc, pham huu, kham chua
so sach » so sanh, bo sach, co sach
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
vai cua » dai cua, hai cua, lai cua
cua te » cua tu

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 tham nang cao hoi. hieu ve pham chuc ((va hanh) OR (va danh)) vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach tham nang cao hoi. hieu ve pham chuc ((va hanh) OR (va danh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: so sach tham nang cao hoi. hieu ve pham chuc ((va hanh) OR (va danh)) vai cua te*.