Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh va cai snippets" » "trinh van cai snippets", "trinh vat cai snippets", "trinh ve cai snippets", "trinh va cac snippets", "trinh va bai snippets", "trinh 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: (((("trinh 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: (((("trinh va cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh va cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh va cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.