Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
cuu tre » cua tre, cau tren, cau treo
ky dang » ky nang, ky danh
cuc tre » duc tre, cua tre, cuc thue
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
su hoi » su choi, su hai, lu hoi
luc va » tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky dang su hoi. hieu ve cham ((luc va) or (duc va)) thanh hai ((cuc tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang su hoi. hieu ve cham ((luc va) OR (duc va)) thanh hai ((cuc tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky dang su hoi. hieu ve cham ((luc va) or (duc va)) thanh hai ((cuc tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: tu san ky dang su hoi. hieu ve cham ((luc va) or (duc va)) thanh hai ((cuc tre) OR (cuu tre))*.