Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hop nham can snippets" » "hoc nham can snippets", "phap nham can snippets", "hop chat can snippets", "hop pham can snippets", "hop nham cay snippets", "hop nham san 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: (((("hop nham can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hop nham can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hop nham can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hop nham can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.