Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan dua can snippets" » "chay dua can snippets", "phan dua can snippets", "chan doan can snippets", "chan duy can snippets", "chan cua can snippets", "chan dua ban 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: (((("chan dua 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: (((("chan dua can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan dua can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan dua can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.