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