Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc tam du snippets" » "luc tai du snippets", "luc lam du snippets", "luat tam du snippets", "luc tham du snippets", "luc tac 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: (((("luc tam 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: (((("luc tam du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc tam du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc tam du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.