Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran ky he snippets" » "than ky he snippets", "toan ky he snippets", "tran sy he snippets", "tran ke he snippets", "tran ly he snippets", "tran ky le 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: (((("tran ky he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran ky he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ky he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ky he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.