Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con gian hoi snippets" » "don gian hoi snippets", "con giap hoi snippets", "chong gian hoi snippets", "con gian thai snippets", "con gian ha snippets", "con gian o 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 gian hoi 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 gian hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con gian hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con gian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.