Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi dan le snippets" » "hoi dan le snippets", "hoa dan le snippets", "hoc dan le snippets", "choi ban le snippets", "choi van le snippets", "choi dan ve 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: (((("choi dan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi dan le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi dan le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi dan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.