Perhaps you should try some spelling variations:
challenges funding » challenges finding, challenge finding, challenges branding
recent challenges » present challenges, recent changes, treatment challenges
funding among » bonding among, building among, jumping among
3.1 recent » 3.2 recent, 1.1 recent, 3.4 recent
yang jui » yang judy, yang di, yang xi
among di » among hiv, among idp, among _
nan yan » nan ya, wang yan, qian yan
ya 3.1 » ra 3.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nan yan) or (yang jui))ng ya 3.1 recent challenges funding among di ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nan yan) OR (yang jui))ng ya 3.1 recent challenges funding among di ;*.