Perhaps you should try some spelling variations:
основеіа\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіа\" (Expand Search), основеа\" (Expand Search), основніа\" (Expand Search), основіеіа\" (Expand Search), основееіа\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіеені\" » основіеені\" (Expand Search), основееені\" (Expand Search), основніеені\" (Expand Search), основіеіеені\" (Expand Search), основееіеені\" (Expand Search)
основ\\" » основі\\" (Expand Search), основе\\" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"((\\\"ґрунтова (основеіа\\" OR (основеі\\" OR основеіеені\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основеіа OR (основеі OR основеіеені ))) OR (\ ґрунтова основ\ ))~.