Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"theo gom cac snippets" » "theo bo cac snippets", "theo doi cac snippets", "theo don cac snippets", "theo nom cac snippets", "theo ngon cac 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 gom cac 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 gom cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( theo gom cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("theo gom cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.