Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach noi moi snippets" » "cach thoi moi snippets", "hanh noi moi snippets", "anh noi moi snippets", "cach doi moi snippets", "cach noi doi snippets", "cach noi soi 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: (((("cach noi moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach noi moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach noi moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach noi moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.