Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich tri cau snippets" » "dinh tri cau snippets", "dieu tri cau snippets", "dich te cau snippets", "dich tri cac snippets", "dich tri dau snippets", "dich trinh 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: (((("dich tri cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich tri cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich tri cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich tri cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.