Perhaps you should try some spelling variations:
sach tham » sach nha
ve triet » va trien, su triet
sach tai » sach bai, sach dao, sach xa
hanh lam » thanh lap, hanh kem, hanh va
va hanh » van hanh, va thanh, va danh
cam luc » cau luc
hieu ve » hieu va, hieu van
hanh xa » hanh va, hanh ma, hanh xu
lam ve » la ve, lam vu, nam ve

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 tai) OR (sach tham)) hanh xa hoi. hieu ve ((cam luc) or (cam xuc)) va hanh lam ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach tai) OR (sach tham)) hanh xa hoi. hieu ve ((cam luc) OR (cam xuc)) va hanh lam ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tai) OR (sach tham)) hanh xa hoi. hieu ve ((cam luc) or (cam xuc)) va hanh lam ve triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tai) OR (sach tham)) hanh xa hoi. hieu ve ((cam luc) or (cam xuc)) va hanh lam ve triet*.