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