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