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