Perhaps you should try some spelling variations:
"coder coder java persistence problem" » "coder coder java persistence problems" (Expand search), "coder coder java persistente problema" (Expand search), "coder coder java resistance problem" (Expand search), "coder coder data persistence problem" (Expand search), "coder coder and persistence problem" (Expand search), "coder coder local persistence problem" (Expand search), "coder decoder java persistence problem" (Expand search), "code code java persistence problem" (Expand search), "decoder codec java persistence problem" (Expand search), "coder codes java persistence problem" (Expand search), "coder xcode java persistence problem" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder java persistence problem\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder java persistence problem ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder java persistence problem") OR ("api pythons python python programming"))*.