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