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