Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang ke cua snippets" » "hang ke cua snippets", "lang le cua snippets", "mang ke cua snippets", "lang keo cua snippets", "lang ky cua 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: (((("lang ke cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang ke cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang ke cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang ke cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.