Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cap nghe snippets" » "lam van nghe snippets", "lam nam nghe snippets", "lam day nghe snippets", "lam chat nghe snippets", "lam chay nghe 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 cap nghe 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 cap nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cap nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cap nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.