Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"base hoa doi snippets" » "base hoa dai snippets", "base hoc doi snippets", "base xoa doi snippets", "based hoa doi snippets", "case hoa doi 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: (((("base hoa 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: (((("base hoa doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( base hoa doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("base hoa doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.