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