Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"rong cho bac snippets" » "trong cho bac snippets", "dong cho bac snippets", "luong cho bac snippets", "rong cho cac snippets", "rong cho bac slippers"
"locating bug code snippets" » "locating bug code slippers", "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 bac 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 bac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rong cho bac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rong cho bac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.