Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luu than go snippets" » "luu thanh go snippets", "luu chan go snippets", "luu tuan go snippets", "luu than vo snippets", "luu than o snippets", "luu 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: (((("luu 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: (((("luu than go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luu than go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luu than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.