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