Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua du che snippets" » "cua duc che snippets", "cua ndu che snippets", "cua su che snippets", "cua de che snippets", "cua du chi snippets", "cua tu che 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: (((("cua du che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua du che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua du che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua du che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.