Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
danh hau » danh dau, danh cau, doanh chau
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
te sach » toc sach
ma hoi » mai hoi, xa hoi, me hoi
y tang » ky tang, 6 tang, 7 tang
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
hau su » dau su, hay su, mau su

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 y tang ((ma hoi) or (ma hoa)). hieu ve cham ((luc va) or (tuc va)) danh hau su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ((ma hoi) OR (ma hoa)). hieu ve cham ((luc va) OR (tuc va)) danh hau su triet.
• Adding a wildcard symbol may retrieve word variants: te sach y tang ((ma hoi) or (ma hoa)). hieu ve cham ((luc va) or (tuc va)) danh hau su triet*.