Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
hieu van » hieu va, thien van, lieu va
cu tren » dua tren
cuu tre » cua tre, cau tren, cau treo
sang ma » tang ma, nang ma, sang tao
ky sang » ky nang, ky dang, ky tang
xuc ban » duc ban, cuc ban, quoc ban
cau xuc » cam xuc, cau luc, cau truc
van cau » van dau, van hau, van chat
tu tren » tu truyen, tu tieng, tu trong
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: tu cac ky sang ma hoi. hieu van cau xuc ban thanh vi ((cuu tre) or (((cu tren) OR (tu tren))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky sang ma hoi. hieu van cau xuc ban thanh vi ((cuu tre) OR (((cu tren) OR (tu tren)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky sang ma hoi. hieu van cau xuc ban thanh vi ((cuu tre) or (((cu tren) OR (tu tren))))".
• Adding a wildcard symbol may retrieve word variants: tu cac ky sang ma hoi. hieu van cau xuc ban thanh vi ((cuu tre) or (((cu tren) OR (tu tren))))*.