Perhaps you should try some spelling variations:
"h. agent directly investment series" » "h. agent direct investment series", "h. agent direct investments series", "h. agent direct invesment series", "h. agent directly investment services", "h. agent directly investment barriers", "h. agent directly investment treaties", "h. point directly investment series"
"h. kent fixed government services" » "h. kent fixed government securities", "h. kent failed government services", "h. kent faced government services", "h. kent added government services", "h. net fixed government services"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("h. agent directly investment series") OR ("h. kent fixed government services"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"h. agent directly investment series\") OR (\"h. kent fixed government services\"))".
• Removing quotes may allow a broader search: (( h. agent directly investment series ) OR ( h. kent fixed government services )).
• Adding a wildcard symbol may retrieve word variants: (("h. agent directly investment series") OR ("h. kent fixed government services"))*.