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