Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phap noi snippets" » "theo phap noi snippets", "thi hai noi snippets", "thi ha noi snippets", "thi phap nuoi snippets", "thi phap boi snippets", "thi 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: (((("thi phap noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi phap noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phap noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phap noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.