Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc cap den snippets" » "phuc cam den snippets", "phuc tap den snippets", "phuc ca den snippets", "phuc cap dien snippets", "phuc cau den snippets", "phuc chap dien 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: (((("phuc cap den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc cap den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc cap den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc cap den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.