Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri con chua snippets" » "tri cong chua snippets", "tri con cua snippets", "tri cong chuc snippets", "tri co chua snippets", "tri von chua 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: (((("tri con chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri con chua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri con chua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri con chua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.