Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data gia do snippets" » "dat gia do snippets", "danh gia do snippets", "dau gia do snippets", "data gia dao snippets", "data gia doi snippets", "data giac do 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: (((("data gia do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data gia do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data gia do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data gia do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.