Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don dinh cu snippets" » "doan dinh cu snippets", "do dinh cu snippets", "don tinh cu snippets", "don dinh cuu snippets", "don dinh chuc snippets", "don 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: (((("don 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: (((("don dinh cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don dinh cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don dinh cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.