Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben hanh cua snippets" » "ban hanh cua snippets", "ben canh cua snippets", "den hanh cua snippets", "ben manh cua snippets", "ben hang cua snippets", "ben hanh sua 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: (((("ben hanh 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: (((("ben hanh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben hanh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben hanh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.