Perhaps you should try some spelling variations:
"h. rent border adjustment operations" » "h. rent border investment operations", "h. rent border adjustment period", "h. rent market adjustment operations", "h. rent trade adjustment operations"
"h. current rate investment treaties" » "h. current rate investment strategies", "h. current rate investment activities", "h. current rate investment incentives", "h. current rates investment treaties", "h. current trade investment treaties", "h. current water investment treaties", "h. current state investment treaties", "h. current law investment treaties", "h. current practice investment treaties"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("h. rent border adjustment operations") or ("h. current rate investment treaties"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("h. rent border adjustment operations") OR ("h. current rate investment treaties"))*.
• Removing quotes may allow a broader search: (( h. rent border adjustment operations ) or ( h. current rate investment treaties ))*.