Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tang ca snippets" » "hoc bang ca snippets", "hoc tan ca snippets", "hoc hang ca snippets", "hoc tang cua snippets", "hoc tang ma 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 tang ca 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 tang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.