Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran mi he snippets" » "tran mai he snippets", "tran si he snippets", "tran minh he snippets", "tran moi he snippets", "tran gi he snippets", "tran vi he 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 mi 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 mi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran mi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran mi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.