Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
lam duoc » nam duoc, luat duoc, lam thuoc
hieu van » hieu va, thien van, lieu va
cuu tre » cua tre, cau tren, cau treo
lam xuc » cam xuc
sac cao » bac cao, xac cao, sach dao
tang ma » tang van
vi cuu » vi luu, vinh cuu
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac cao ((tang ma) OR (mang may)) hoi. hieu van ((lam xuc) or (lam duoc)) ban thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac cao ((tang ma) OR (mang may)) hoi. hieu van ((lam xuc) OR (lam duoc)) ban thanh vi cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac cao ((tang ma) OR (mang may)) hoi. hieu van ((lam xuc) or (lam duoc)) ban thanh vi cuu tre*".