Perhaps you should try some spelling variations:
dang xay » dang van, van xay
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
ve pham » vi pham, v pham, ve phan
tu cach » tu cac
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
vu sach » vu bach, su sach, vu khach
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (vu sach)) ky dang xay hoi. hieu ve pham duc ((va hanh) OR (va danh)) dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (vu sach)) ky dang xay hoi. hieu ve pham duc ((va hanh) OR (va danh)) dai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (vu sach)) ky dang xay hoi. hieu ve pham duc ((va hanh) OR (va danh)) dai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (vu sach)) ky dang xay hoi. hieu ve pham duc ((va hanh) OR (va danh)) dai cua te*.