Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam mat cong snippets" » "lam may cong snippets", "lam mai cong snippets", "lam mot cong snippets", "ham mat cong snippets", "lam dat cong snippets", "cham mat 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: (((("lam mat 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: (((("lam mat cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam mat cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam mat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.