Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"soan do voi snippets" » "doan do voi snippets", "toan do voi snippets", "hoan doi voi snippets", "soan doi voi snippets", "soan dao voi snippets", "soan do moi 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: (((("soan do 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: (((("soan do voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( soan do voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("soan do voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.