Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan doc he snippets" » "quan doc code snippets", "quan doi he snippets", "quan dac he snippets", "quan doan he snippets", "quan hoc he snippets", "quan do he snippets", "quan doc hieu snippets"
"python using java snippets" » "python using data snippets"

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: (((("python using java snippets") OR ("quan doc he snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( quan doc he snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("quan doc he snippets"))) or ("locating bug core snippets"))*.