Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap thu cau snippets" » "phap thuc cau snippets", "phap tu cau snippets", "phap che cau snippets", "phap nhu cau snippets", "phap thu dau 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 thu cau 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 thu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap thu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap thu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.