Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trau la chi snippets" » "trai lam chi snippets", "tran lam chi snippets", "trau cua chi snippets", "trau ly chi snippets", "trau a chi snippets", "trau ca chi 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: (((("trau la chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trau la chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trau la chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trau la chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.