Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham hoi doai snippets" » "ham hoi doi snippets", "ham hoi thoai snippets", "ham hoi dap snippets", "cham hoi doai snippets", "nam hoi doai snippets", "pham hoai doai 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: (((("ham hoi doai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham hoi doai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham hoi doai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham hoi doai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.