Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat du di snippets" » "luat dau di snippets", "luat su di snippets", "luat tu di snippets", "luat du dia snippets", "luat du ki 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: (((("luat du di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat du di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat du di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat du di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.