Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
cuu tre » cua tre, cau tren, cau treo
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
tri cuu » tri cua, tra cuu, trinh cuu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va xanh » va danh, va banh, va lanh
va hanh » van hanh, va thanh, va danh
va anh » van anh, va danh, va banh
vu ban » tu ban, va ban
ban ky » van ky, dan ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu ban ky tang ma hoi. hieu ve cham tuc ((va xanh) or (((va anh) OR (va hanh)))) tri cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ban ky tang ma hoi. hieu ve cham tuc ((va xanh) OR (((va anh) OR (va hanh)))) tri cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ban ky tang ma hoi. hieu ve cham tuc ((va xanh) or (((va anh) OR (va hanh)))) tri cuu tre*".