Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu gap du snippets" » "lieu gac du snippets", "lieu phap du snippets", "lieu giao du snippets", "lieu lap du snippets", "lieu gap do snippets", "lieu tap du 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: (((("lieu gap du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu gap du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu gap du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu gap du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.