Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam lan cho snippets" » "lam lanh cho snippets", "lam san cho snippets", "dam lan cho snippets", "lam van cho snippets", "lam han cho 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 lan 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: (((("lam lan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam lan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam lan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.