Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac co cham snippets" » "khac do cham snippets", "khac mo cham snippets", "khao co cham snippets", "khac ca cham snippets", "khac co champa snippets", "khac cao chat 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 co cham 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 co cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac co cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac co cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.