Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lanh va voi snippets" » "hanh va voi snippets", "anh va voi snippets", "lanh dao voi snippets", "lanh va doi snippets", "lanh va vi snippets", "lanh va vo 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: (((("lanh va 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: (((("lanh va voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lanh va voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lanh va voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.