Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra danh soc snippets" » "tran danh soc snippets", "trai doanh soc snippets", "tran manh soc snippets", "tra dan soc snippets", "tra danh hoc snippets", "tra nganh soc 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: (((("tra danh soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra danh soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra danh soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra danh soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.