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