Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam hao cach snippets" » "lam nhan cach snippets", "lam phap cach snippets", "lam va cach snippets", "lam ha cach snippets", "lam bao cach snippets", "lam dao cach 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 hao cach 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 hao cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam hao cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam hao cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.