Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dinh chau de snippets" » "minh chau de snippets", "tinh chat de snippets", "dinh chi de snippets", "dinh chu de snippets", "dinh cau de snippets", "dinh chat deo 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: (((("dinh chau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh chau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh chau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh chau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.