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