Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap chua le snippets" » "phap chuan le snippets", "phap chu le snippets", "phap chuc le snippets", "phap chua xe snippets", "phap cua le snippets", "phap chuan he 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 chua le 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 chua le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap chua le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap chua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.