Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chun vu cao snippets" » "chun su cao snippets", "chun yu cao snippets", "chung cu cao snippets", "chun cu cao snippets", "chun va cao 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: (((("chun vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chun vu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chun vu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chun vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.