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