Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap luot ke snippets" » "phap luat ke snippets", "phap luan ke snippets", "phap nuoc ke snippets", "phap luong ke snippets", "phap luot web 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 luot ke 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 luot ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap luot ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap luot ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.