Perhaps you should try some spelling variations:
ky sang » ky nang, ky tang, duy sang
ky dang » ky nang, ky danh
tao hoi » tao khoi, tao boi, tay hoi
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo

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) OR (ky dang)) tao hoi. hieu ve pham duc ((va hanh) or (va danh)) vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ((ky sang) OR (ky dang)) tao hoi. hieu ve pham duc ((va hanh) OR (va danh)) vai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ((ky sang) OR (ky dang)) tao hoi. hieu ve pham duc ((va hanh) or (va danh)) vai cuu tre*".