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