Perhaps you should try some spelling variations:
sach thue » sach thieu, sach tham, cach thuc
sach thu » sach thieu, sach tham, cach thuc
hanh lam » thanh lap, hanh va, dinh lam
va triet » va thiet, va trien, ve triet
hanh xa » hanh va, hanh ma, hanh xu
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach thu) OR (sach thue)) hanh xa hoi. lieu va cam xuc va ((hanh lam) or (hanh kem)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach thue)) hanh xa hoi. lieu va cam xuc va ((hanh lam) OR (hanh kem)) va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) OR (sach thue)) hanh xa hoi. lieu va cam xuc va ((hanh lam) or (hanh kem)) va triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) OR (sach thue)) hanh xa hoi. lieu va cam xuc va ((hanh lam) or (hanh kem)) va triet*.