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