Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach cua so snippets" » "cac cua so snippets", "cach dua so snippets", "canh cua so snippets", "cach cua sro snippets", "cach cua bo snippets", "cach cua su 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: (((("cach cua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach cua so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach cua so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach cua so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.