Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"che mo canh snippets" » "che bo canh snippets", "che do canh snippets", "che mo danh snippets", "che mon canh snippets", "che ho canh 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: (((("che mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che mo canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che mo canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che mo canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.