Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon ben cua snippets" » "lon len cua snippets", "long bien cua snippets", "con benh cua snippets", "lon benh cua snippets", "lon bien cua snippets", "lon ban cua 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: (((("lon ben cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon ben cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon ben cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon ben cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.