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