Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con hong doi snippets" » "con song doi snippets", "cong thong doi snippets", "cong khong doi snippets", "con huong doi snippets", "con vong doi snippets", "con hang doi 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: (((("con hong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con hong doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con hong doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con hong doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.