Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong va son snippets" » "dong va son snippets", "cong ha son snippets", "cong tac son snippets", "cong van son snippets", "cong va con snippets", "cong va san 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: (((("cong va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong va son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong va son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.