Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
danh dau » lanh dao, hang dau, danh tu
su triet » su viet, su tien, ve triet
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
dau su » dau tu, dan su, da su

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y ((nang xa) or (tang ma)) hoi. hieu ve cac xuc va danh dau su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y ((nang xa) OR (tang ma)) hoi. hieu ve cac xuc va danh dau su triet.
• Adding a wildcard symbol may retrieve word variants: hoc sach y ((nang xa) or (tang ma)) hoi. hieu ve cac xuc va danh dau su triet*.