Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoa cho doi snippets" » "hoa cheo doi snippets", "hoa co doi snippets", "hoa ho doi snippets", "hoa cho moi snippets", "hoa cuoc doi snippets", "hoa cho tuoi 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: (((("hoa cho 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: (((("hoa cho doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa cho doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.