Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
danh xay » dang xay, manh xay, anh xay
te sach » toc sach
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
cu tren » tu tren, dua tren
soc va » hoc va, loc va, goc va
doc va » duoc va, hoc va, duc va
vi cu » vi su, vi xu, vi du

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (cuoc cach)) ky danh xay hoi. hieu vu cham ((soc va) or (doc va)) thanh vi cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (cuoc cach)) ky danh xay hoi. hieu vu cham ((soc va) OR (doc va)) thanh vi cu tren.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (cuoc cach)) ky danh xay hoi. hieu vu cham ((soc va) or (doc va)) thanh vi cu tren*.