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