Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"than du phan snippets" » "than duc phan snippets", "toan du phan snippets", "han du phan snippets", "than duy phan snippets", "than d phan snippets", "than du phan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("than du phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than du phan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than du phan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than du phan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.