Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan than go snippets" » "luan thanh go snippets", "luan phan go snippets", "luan han go snippets", "luan than vo snippets", "luan than o snippets", "luan than 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: (((("luan than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan than go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan than go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.