Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu trinh co snippets" » "chu thich co snippets", "chu tich co snippets", "chu dinh co snippets", "chu trinh do snippets", "chu trinh cong snippets", "chu trinh hoa 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: (((("chu trinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu trinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu trinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu trinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.