Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao noi cong snippets" » "hao nguoi cong snippets", "hao tai cong snippets", "hao thi cong snippets", "khao noi cong snippets", "ha noi cong snippets", "dao noi cong 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 noi cong 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 noi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao noi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao noi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.