Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc chan can snippets" » "hoc phan can snippets", "hoc chat can snippets", "hoc can can snippets", "hoc chan nan snippets", "hoc chan doan snippets", "hoc phan cang 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: (((("hoc chan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc chan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc chan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc chan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.