Perhaps you should try some spelling variations:
sach thi » sach thu, sach tai, sach tham
danh dam » danh dau, danh nam, thanh dam
su triet » su viet, su tien, ve triet
hanh xa » hanh va, hanh ma, hanh xu
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
va danh » va dinh, va dan, va hanh
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
dam su » dan su, da su, dat su

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