Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuong la co snippets" » "phuong lan co snippets", "phuong tay co snippets", "phuong mai co snippets", "phuong lam co snippets", "phuong la ceo snippets", "phuong la con 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: (((("phuong la co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuong la co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuong la co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuong la co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.