Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem lam cha snippets" » "kiem lam cha snippets", "dinh lam cha snippets", "viec lam cha snippets", "diem lam chat snippets", "diem lam chay snippets", "diem lam chu 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: (((("diem lam cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diem lam cha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diem lam cha snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diem lam cha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.