Perhaps you should try some spelling variations:
tang mai » tang ma, tang tai, lang mai
cua tre » cua te, cuu tre, cua triet
va xanh » va danh, va anh, va banh
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu van
ky tang » ky nang, ky dang, kho tang
ban ky » van ky, dan ky
vu ban » tu ban, va ban

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 mai hoi. ((hieu ve) OR (hieu va)) cam xuc ((va xanh) or (va hanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ban ky tang mai hoi. ((hieu ve) OR (hieu va)) cam xuc ((va xanh) OR (va hanh)) dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ban ky tang mai hoi. ((hieu ve) OR (hieu va)) cam xuc ((va xanh) or (va hanh)) dai cua tre*".