Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui khac toi snippets" » "bui nhat toi snippets", "bui khac tuoi snippets", "bui khac thi snippets", "bui khac trai 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: (((("bui khac 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: (((("bui khac toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui khac toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui khac toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.