Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lap dac tinh snippets" » "lap may tinh snippets", "lap va tinh snippets", "lap ha tinh snippets", "lap dat tinh snippets", "lan dac tinh snippets", "lap da tinh snippets", "lap dac tinh 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: (((("lap dac tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lap dac tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap dac tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap dac tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.