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