Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat lam don snippets" » "phat am don snippets", "phap lam don snippets", "nhat lam don snippets", "phat lam dong snippets", "phat la don snippets", "phat lam son 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: (((("phat lam don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat lam don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat lam don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat lam don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.