Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
ve triet » va trien, su triet
sach thi » sach thu, sach tai, sach thieu
hanh lam » thanh lap, hanh kem, hanh va
hanh dam » thanh dam, hanh nam, hang dam
hieu ve » hieu va, hieu van
hanh xa » hanh va, hanh ma, hanh xu
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam

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 thi) or (sach thue)) hanh xa hoi. hieu ve cam xuc va ((hanh dam) or (hanh lam)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thi) OR (sach thue)) hanh xa hoi. hieu ve cam xuc va ((hanh dam) OR (hanh lam)) ve triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach thi) or (sach thue)) hanh xa hoi. hieu ve cam xuc va ((hanh dam) or (hanh lam)) ve triet*.