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