Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tin cho lon snippets" » "tinh cho lon snippets", "tin co lon snippets", "ton cho lon snippets", "tin cho cong snippets", "tin chon loc 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: (((("tin cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tin cho lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tin cho lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tin cho lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.