Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong mo cau snippets" » "thong o cau snippets", "thong co cau snippets", "phong mo cau snippets", "thong bo cau snippets", "thong mo dau 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: (((("thong mo cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong mo cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong mo cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong mo cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.