Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"com tao dong snippets" » "com lao dong snippets", "com dao dong snippets", "com cao dong snippets", "chon tao dong snippets", "cuoc tao dong 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: (((("com tao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com tao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( com tao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com tao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.