Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong nho da snippets" » "cong nhoi da snippets", "cong cho da snippets", "cong nha da snippets", "cong pho da snippets", "cong nho va snippets", "cong ho da 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: (((("cong nho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong nho da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong nho da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong nho da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.