Perhaps you should try some spelling variations:
"trinh quan 1 snippets" » "tinh quang 1 snippets", "trinh luat 1 snippets", "trinh han 1 snippets", "trinh quan 12 snippets", "trinh quan y snippets", "trinh quan _ snippets", "trinh quan 1 slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 quan 1 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 quan 1 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh quan 1 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh quan 1 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.