Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che cham hoi snippets" » "che pham hoi snippets", "chin cham hoi snippets", "khoe cham hoi snippets", "che cham voi snippets", "che cham h'roi snippets", "che 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: (((("che 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: (((("che cham hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che cham hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che cham hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.