Perhaps you should try some spelling variations:
pham chuc » pham duc, pham huu, kham chua
sach thu » sach thue, sach thieu, sach tham
thu nang » thi nang, thu hang, thu bang
va thanh » gia thanh, ban thanh, va tinh
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va danh, ban hanh
ma hoi » mai hoi, xa hoi, ma hoa
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 thu nang ma hoi. hieu ve pham chuc ((va hanh) OR (va thanh)) dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thu nang ma hoi. hieu ve pham chuc ((va hanh) OR (va thanh)) dai cua te".
• Adding a wildcard symbol may retrieve word variants: so sach thu nang ma hoi. hieu ve pham chuc ((va hanh) OR (va thanh)) dai cua te*.