Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hoi cua » hoi chuc
hai cua » thai cua, dai cua, lai cua
xuc van » duc van, luc van, vuc van
sach ky » sac ky, sach y, sach kem
hieu ve » hieu va, hieu van
nang ro » nang co, nang ho, nang ra
sach ty » sach y, sach tu, sach thu
ro hai » co hai, o hai, so hai
ve cam » ve cham, ve cac, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (sach ty)) nang ro hai. hieu ve cam xuc van thanh ((hai cua) OR (hoi cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) OR (sach ty)) nang ro hai. hieu ve cam xuc van thanh ((hai cua) or (hoi cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) OR (sach ty)) nang ro hai. hieu ve cam xuc van thanh ((hai cua) or (hoi cua)) tre*.