Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
su triet » su viet, su tien, ve triet
thanh va » thanh van, hanh va, thanh ha
xuc van » duc van, luc van, vuc van
sach v » sach va, sach 2, sach vay
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
x hoi » xa hoi, o hoi, x ho

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 v) or (sach y)) nang x hoi. hieu ((ve cam) or (ve cac)) xuc van thanh va su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach v) OR (sach y)) nang x hoi. hieu ((ve cam) OR (ve cac)) xuc van thanh va su triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach v) or (sach y)) nang x hoi. hieu ((ve cam) or (ve cac)) xuc van thanh va su triet*.