Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
xanh tra » thanh tra, khanh tra, hanh tram
ky tang » ky nang, ky dang, kho tang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va xanh » va danh, va hanh, va anh
tra cuu » tra cau, trau cua, trua cua
cuu tre » cua tre, cau tren, cau treo
vu dan » vu dang, va dan, cu dan
dan ky » van ky
ma hoi » mai hoi, ma hoa, me hoi
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dan ky tang ((ma hoi) or (xa hoi)). hieu ve cham tuc va xanh tra cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dan ky tang ((ma hoi) OR (xa hoi)). hieu ve cham tuc va xanh tra cuu tre*.