Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac lam cho snippets" » "bac am cho snippets", "bac nam cho snippets", "tac lam cho snippets", "bac lam chu snippets", "bac lai cho snippets", "bac lam co 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: (((("bac lam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac lam cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac lam cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac lam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.