Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hap dan time snippets" » "hap a time snippets", "hap dan thue snippets", "hap dan tinh snippets", "hat dan time snippets", "hai dan time snippets", "ham dan time 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 dan time 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 dan time snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hap dan time snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hap dan time snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.