Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap hoc cho snippets" » "cao hoc cho snippets", "cac hoc cho snippets", "cau hoc cho snippets", "cap hoc cao snippets", "cap hoc pho snippets", "cap hoc co 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 hoc cho 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 hoc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap hoc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap hoc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.