Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat doi cho snippets" » "hoat doi cho snippets", "thay doi cho snippets", "hang doi cho snippets", "hat doi chi snippets", "hat doi co snippets", "hat doi pho 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: (((("hat doi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat doi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat doi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat doi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.