Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei dan cac snippets" » "wei tan cac snippets", "wei dai cac snippets", "wei pan cac snippets", "wei dan cach snippets", "wei dang cac snippets", "wei dan ca 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: (((("python using java snippets") or ("wei dan cac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("wei dan cac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( wei dan cac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("wei dan cac snippets"))) or ("locating bug code snippets"))*.