Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tac can snippets" » "lam tai can snippets", "lam tan can snippets", "lam sach can snippets", "lam tac van snippets", "lam tac quan snippets", "lam tac vang 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 tac 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: (((("lam tac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.