Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich ran cua snippets" » "dich can cua snippets", "dich han cua snippets", "dinh rang cua snippets", "dich ban cua snippets", "dich dan cua snippets", "dich nan cua 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: (((("dich ran cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich ran cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich ran cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich ran cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.