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