Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cad trong do snippets" » "cay trong do snippets", "ca trong do snippets", "chat trong do snippets", "cad trong doi snippets", "cad trong dao snippets", "cad trong co 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: (((("cad trong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cad trong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cad trong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cad trong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.