Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich chi can snippets" » "dinh chi can snippets", "dia chi can snippets", "linh chi can snippets", "dich chi van snippets", "dich chi dan snippets", "dich cho can 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 chi can 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 chi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich chi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich chi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.