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