Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong san may slippers" » "cong tac may slippers", "cong ban may slippers", "cong san tay slippers", "cong mang may slippers", "cong san may slippery", "cong san may 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 san may 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 san may slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong san may slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong san may slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.