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