The following searches are worthy of being tried

1. intitle:add+url "keyword phrase"
2. intitle:submit+site "keyword phrase"
3. intitle:submit+url "keyword phrase"
4. intitle:add+site "keyword phrase"
5. intitle:add+your+site "keyword phrase"
6. intitle:directory "keyword phrase"
7. intitle:list "keyword phrase"
8. intitle:sites "keyword phrase"