Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap bo cai snippets" » "phap boi cai snippets", "phap mo cai snippets", "phan bo cai snippets", "phap bo tai snippets", "phap bo cau snippets", "phap bo cam 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: (((("phap bo cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap bo cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap bo cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap bo cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.