Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con cham hoi snippets" » "co cham hoi snippets", "con chim hoi snippets", "cong chat hoi snippets", "con cham voi snippets", "con cham h'roi snippets", "con pham hoai 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: (((("con cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.