Perhaps you should try some spelling variations:
dang xay » dang van, van xay
ve triet » va trien, su triet
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
danh ve » hanh ve, anh ve, dan ve
dinh ve » dinh ket
te ban » te bao
ban ky » van ky, dan ky
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ban ky dang xay hoi. lieu va dau tu va ((danh ve) or (((dinh ve) OR (dinh van)))) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ban ky dang xay hoi. lieu va dau tu va ((danh ve) OR (((dinh ve) OR (dinh van)))) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ban ky dang xay hoi. lieu va dau tu va ((danh ve) or (((dinh ve) OR (dinh van)))) ve triet".
• Adding a wildcard symbol may retrieve word variants: te ban ky dang xay hoi. lieu va dau tu va ((danh ve) or (((dinh ve) OR (dinh van)))) ve triet*.