Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kem cheo cua snippets" » "kem theo cua snippets", "kem chu cua snippets", "ke che cua snippets", "kem chuoi cua snippets", "kem co cua snippets", "kem chat cua 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: (((("kem cheo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kem cheo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kem cheo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kem cheo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.