Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thoi qua co snippets" » "hoi qua co snippets", "thoi rua co snippets", "thoi xua co snippets", "thoi qua con snippets", "thoi cua co snippets", "thoi qua ca 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: (((("thoi qua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thoi qua co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thoi qua co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thoi qua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.