Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc bat dong snippets" » "hoc hoat dong snippets", "hoc ha dong snippets", "hoc van dong snippets", "hoc bai dong snippets", "hoc bao dong snippets", "hoc dat dong 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 bat dong 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 bat dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc bat dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc bat dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.