Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may dep cua snippets" » "may det cua snippets", "mac dep cua snippets", "may dap cua snippets", "may de cua snippets", "may dieu 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: (((("may dep 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: (((("may dep cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may dep cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may dep cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.