Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu gia he snippets" » "hieu dia he snippets", "lieu gia he snippets", "lieu giao he snippets", "hieu gia ve snippets", "hieu gia ha snippets", "hieu gia de 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: (((("hieu gia he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu gia he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu gia he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu gia he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.