Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao dinh cua snippets" » "cao minh cua snippets", "co dinh cua snippets", "dao dinh cua snippets", "cao dinh cuu snippets", "cao sinh cua snippets", "cao dinh cu 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: (((("cao dinh 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: (((("cao dinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao dinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao dinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.