Perhaps you should try some spelling variations:
transfer agents » transfer payments, transfer amounts, transfer payment
data transfer » cash transfer, heat transfer
china macro » china macau, china marrit
agents case » ages case, events case, agencies case
luis rdf » luis de
rdf data » dlf data, imf data

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis f _ transfer china macro ) or ( luis rdf data transfer agents case ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis f _ transfer china macro ) OR ( luis rdf data transfer agents case ))*.