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