Perhaps you should try some spelling variations:
allyn » allen (Expand Search), allyl (Expand Search), ally (Expand Search)
allyne » allene (Expand Search), allyle (Expand Search), allye (Expand Search), alyne (Expand Search)
allan » allen (Expand Search), allah (Expand Search), azlan (Expand Search)
alan » plan (Expand Search), alam (Expand Search), akan (Expand Search)
allene » allele (Expand Search), arlene (Expand Search), allenges (Expand Search)
allenes » alleles (Expand Search), arlenes (Expand Search), allengess (Expand Search), alkenes (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: usa : ((allyn OR (allan OR alan)) OR (allyne OR (allene OR allenes))) & (bacon OR beacon),~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "usa : ((allyn OR (allan OR alan)) OR (allyne OR (allene OR allenes))) & (bacon OR beacon),".
• Adding a wildcard symbol may retrieve word variants: usa : ((allyn OR (allan OR alan)) OR (allyne OR (allene OR allenes))) & (bacon OR beacon),*.