Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap han doi snippets" » "cap phan doi snippets", "cap can doi snippets", "cap hay doi snippets", "cap hang doi snippets", "cap hoan doi snippets", "cap hat doi 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 han doi 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 han doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap han doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap han doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.