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