Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thach lam ca snippets" » "thanh lam ca snippets", "thanh lap ca snippets", "hanh lam ca snippets", "thach lam cua snippets", "thach lam cha snippets", "thach lam co 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: (((("thach lam ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thach lam ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thach lam ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thach lam ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.