Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gon van cau snippets" » "gom van cau snippets", "gon va cau snippets", "son van cau snippets", "gon van dau snippets", "gon van hau snippets", "gon 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: (((("gon 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: (((("gon van cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gon van cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gon van cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.