Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dieu can chi snippets" » "dieu hanh chi snippets", "tiep can chi snippets", "dieu cua chi snippets", "dieu can thi snippets", "dieu van chi snippets", "dieu san chi 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: (((("dieu can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dieu can chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dieu can chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dieu can chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.