Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong va ke snippets" » "dong va ke snippets", "cong ha ke snippets", "cong tac ke snippets", "cong va ky snippets", "cong va de snippets", "cong va le 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 ke 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 ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong va ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong va ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.