Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap ta long snippets" » "phap tai long snippets", "phap tu long snippets", "phap va long snippets", "phap ha long snippets", "phap ca long snippets", "phap ta rong 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: (((("phap ta long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap ta long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap ta long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap ta long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.