Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc anh ro snippets" » "luc canh ro snippets", "duc anh ro snippets", "luu anh ro snippets", "luc anh co snippets", "luc anh so 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: (((("luc anh ro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc anh ro snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc anh ro snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc anh ro snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.