Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
thu cuc » thi cuc, thu tuc, thu cua
vai cuu » vai cua
nam dia » nam da, nam dinh, nam giao
cuu tre » cua tre, cau tren, cau treo
cuc ky » cac ky, cua ky, cu ky
nam di » nam doi, nam da, nam do
ma hoi » mai hoi, xa hoi, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cuc ky nang ((ma hoi) or (ma hoa)). hieu van ((nam dia) OR (nam di)) ban thanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cuc ky nang ((ma hoi) OR (ma hoa)). hieu van ((nam dia) OR (nam di)) ban thanh vai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cuc ky nang ((ma hoi) or (ma hoa)). hieu van ((nam dia) OR (nam di)) ban thanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: thu cuc ky nang ((ma hoi) or (ma hoa)). hieu van ((nam dia) OR (nam di)) ban thanh vai cuu tre*.