Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che phap mon snippets" » "che pham mon snippets", "he phap mon snippets", "theo phap mon snippets", "che nhap mon snippets", "che phap mo snippets", "che phap moi 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 phap mon 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 phap mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che phap mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che phap mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.