Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phau benh co snippets" » "kham benh co snippets", "phau benh cho snippets", "phau benh xo snippets", "phau benh hoc 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: (((("phau benh 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: (((("phau benh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phau benh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phau benh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.