Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi han li snippets" » "doi nhan li snippets", "doi hanh li snippets", "dai han li snippets", "doi shan li snippets", "doi ban li snippets", "doi dan li snippets", "doi han li slippers"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi han li snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( doi han li snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi han li snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.