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