Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam line cho snippets" » "bam line cho snippets", "lam linh cho snippets", "tam linh cho snippets", "lam online cho snippets", "lam tinh cho snippets", "lam lan 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 line 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 line cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam line cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam line cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.