Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
toc sach » hoc sach, doc sach, thuoc sach
ban tinh » ban thanh, quan tinh, ban hanh
chuc ban » chuc can, chuc van, cuc ban
su sach » so sach, vu sach
tinh vi » trinh vi, tinh voi, tinh va
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tang xa » trang xa, tang ma, tang ha
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di 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) or (toc sach)) ky ((tang xa) OR (lang xa)) hoi. hieu ve pham chuc ban tinh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (toc sach)) ky ((tang xa) OR (lang xa)) hoi. hieu ve pham chuc ban tinh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (toc sach)) ky ((tang xa) OR (lang xa)) hoi. hieu ve pham chuc ban tinh vi cua tre*".