Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc dieu voi snippets" » "luan dieu voi snippets", "thuc dieu voi snippets", "luat dieu voi snippets", "luc dien voi snippets", "luc lieu voi snippets", "luc dieu 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: (((("luc dieu 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: (((("luc dieu voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc dieu voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc dieu voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.