Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuc bac can snippets" » "khuc hat can snippets", "kho bac can snippets", "hoc bac can snippets", "khuc ban can snippets", "khuc bat can snippets", "khuc tac can snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khuc bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuc bac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuc bac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuc bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.