Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam gian hoi snippets" » "lam giau hoi snippets", "dam gian hoi snippets", "lam gan hoi snippets", "lam gian thai snippets", "lam gian ha snippets", "lam gian o 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 gian hoi 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 gian hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam gian hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam gian hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.