Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
bang cau » hang cau, bang cac, nang cao
bach tu » bach thu, cach tu, bac tu
va tinh » may tinh
cuu tre » cua tre, cau tren, cau treo
tu bang » thu bang, tu ban, te bang
hieu va » lieu va, hieu qua
hieu ve » hieu van
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu bach tu bang cau hoi. ((hieu ve) OR (hieu va)) cam xuc ((va thanh) or (va tinh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu bach tu bang cau hoi. ((hieu ve) OR (hieu va)) cam xuc ((va thanh) OR (va tinh)) vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu bach tu bang cau hoi. ((hieu ve) OR (hieu va)) cam xuc ((va thanh) or (va tinh)) vi cuu tre*".