Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam day hoc snippets" » "lam dau hoc snippets", "cam day hoc snippets", "lam dao hoc snippets", "lam dai hoc snippets", "lam dan hoc 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 day hoc 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 day hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam day hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam day hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.