Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gop phan che snippets" » "co phan che snippets", "hoc phan che snippets", "hoa phan che snippets", "gop han che snippets", "gop phap che snippets", "gop phan thi 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: (((("gop phan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gop phan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gop phan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gop phan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.