Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
sach tham » sach nha
hanh vai » hanh vi, hanh va, hanh tai
sach thu » sach thue, sach thieu, cach thuc
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
nang ma » tang ma, sang ma, nang cao
v pham » vi pham, d pham
hieu v » hieu va, hieu ve, hieu 2
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) OR (sach tham)) nang ma hoi. hieu v pham thuc va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach thu) OR (sach tham)) nang ma hoi. hieu v pham thuc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so ((sach thu) OR (sach tham)) nang ma hoi. hieu v pham thuc va hanh vai cua te*.