Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat dang de snippets" » "hai dang de snippets", "hat dan de snippets", "ha dang de snippets", "hat dang deo snippets", "hat dung de snippets", "hat dang do 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 dang de 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 dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.