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