Perhaps you should try some spelling variations:
"deputy prime minister of vietnam" » "deputy primer minister of vietnam", "deputy price minister of vietnam", "deputy crime minister of vietnam", "deputy prime ministere of vietnam", "deputy prime administer of vietnam", "deputy prime ministry of vietnam"
"deputy prime administeringed of vietnam" » "deputy primer administeringed of vietnam", "deputy price administeringed of vietnam", "deputy crime administeringed of vietnam", "deputy prime administereinged of vietnam", "deputy prime adadministeringed of vietnam", "deputy prime administryinged of vietnam", "deputy prime administering of vietnam", "deputy prime administered of vietnam"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("deputy prime minister of vietnam") or ("deputy prime administeringed of vietnam"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("deputy prime minister of vietnam") OR ("deputy prime administeringed of vietnam")).
• Removing quotes may allow a broader search: (( deputy prime minister of vietnam ) or ( deputy prime administeringed of vietnam )).
• Adding a wildcard symbol may retrieve word variants: (("deputy prime minister of vietnam") or ("deputy prime administeringed of vietnam"))*.