Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trai tin don snippets" » "trai tim don snippets", "tri tin don snippets", "thai tinh don snippets", "trai tien dong snippets", "trai tin dung snippets", "trai tinh doi 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: (((("trai tin don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trai tin don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trai tin don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trai tin don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.