Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trieu lam di snippets" » "trien lam di snippets", "trieu nam di snippets", "thieu lam di snippets", "trieu lam gi snippets", "trieu lay di 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: (((("trieu lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trieu lam di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trieu lam di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trieu lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.