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