Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phong cho di snippets" » "phong chong di snippets", "dong cho di snippets", "luong cho di snippets", "phong cho doi snippets", "phong cho dai snippets", "phong cho 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: (((("phong cho di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phong cho di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phong cho di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phong cho di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.