Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam phai con snippets" » "dam phan con snippets", "lam tai con snippets", "tam phat con snippets", "lam phai co snippets", "lam hai con snippets", "lam phau con 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: (((("lam phai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam phai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam phai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam phai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.