Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac bac can snippets" » "khac hau can snippets", "cac bac can snippets", "khac lau can snippets", "khac ban can snippets", "khac bat can snippets", "khac 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: (((("khac 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: (((("khac bac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac bac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac bac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.