Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo thi cuc snippets" » "theo nghi cuc snippets", "tiep thi cuc snippets", "te thi cuc snippets", "theo tai cuc 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: (((("theo thi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("theo thi cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo thi cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo thi cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.