Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son phap coc snippets" » "mon phap coc snippets", "son pham coc snippets", "san pham coc snippets", "son phap hoc snippets", "son phap cac snippets", "son phap doc 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: (((("son phap coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son phap coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son phap coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son phap coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.