Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim hanh de snippets" » "tiem hanh de snippets", "kim thanh de snippets", "tien hanh de snippets", "tim hanh ve snippets", "tim hanh kem 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: (((("tim hanh 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: (((("tim hanh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim hanh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim hanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.