Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri lieu ma slippers" » "tai lieu ma slippers", "thi lien ma slippers", "tri lieu va slippers", "tri lieu tai slippers", "tri lieu bai slippers", "tri lieu ma slippery", "tri lieu ma grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("tri lieu ma slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tri lieu ma slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tri lieu ma slippers"))) or ("locating bug code snippets"))*.