Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat chi loc snippets" » "hai chi loc snippets", "chat cho loc snippets", "hat chau loc snippets", "hat thi loc snippets", "hat chon loc snippets", "hat chi duoc 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 chi loc 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 chi loc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat chi loc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat chi loc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.