Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu mot cong snippets" » "huu moi cong snippets", "huu hoc cong snippets", "huu bo cong snippets", "cuu mot cong snippets", "huy mot cong snippets", "hieu mot cong 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: (((("huu mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu mot cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu mot cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu mot cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.