Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap phai con snippets" » "gap phai con snippets", "phap phat con snippets", "phap phan con snippets", "hap phai co snippets", "hap hai con snippets", "hap 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: (((("hap 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: (((("hap phai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap phai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap phai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.