Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham man cong snippets" » "ham mang cong snippets", "ham van cong snippets", "ham may cong snippets", "ham mat cong snippets", "ham dan cong snippets", "ham ma cong 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: (((("ham man cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham man cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham man cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham man cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.