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