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