Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
sach thue » sach thu, sach thieu, sach tham
va thanh » gia thanh, ban thanh, va tinh
bo sach » co sach, hoc sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va danh, ban hanh
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach thue ((nang cao) or (sang ma)) hoi. hieu ve pham chuc ((va hanh) or (va thanh)) vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach thue ((nang cao) OR (sang ma)) hoi. hieu ve pham chuc ((va hanh) OR (va thanh)) vai cua tu.
• Adding a wildcard symbol may retrieve word variants: bo sach thue ((nang cao) or (sang ma)) hoi. hieu ve pham chuc ((va hanh) or (va thanh)) vai cua tu*.