Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao ton cho snippets" » "bao ton cho snippets", "hao mon cho snippets", "han tong cho snippets", "hao toan cho snippets", "hao ton kho snippets", "hao trong cho 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: (((("hao ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao ton cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao ton cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.