Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap van cau snippets" » "tap van cau snippets", "cap van cau snippets", "gap va cau snippets", "gap van dau snippets", "gap van hau snippets", "gap van chat 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: (((("gap van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gap van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.