Perhaps you should try some spelling variations:
"so do chieu snippets" » "so do code snippets", "so doi chieu snippets", "so dao chieu snippets", "so ho chieu snippets", "so du chieu snippets", "so dk chieu snippets"
"locating bug core snippets" » "locating bug code 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: (((("so do chieu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( so do chieu snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("so do chieu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.