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