Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trieu lit di snippets" » "thieu lit di snippets", "trien lit di snippets", "tieu lit di snippets", "trieu liet di snippets", "trieu list 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 lit 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 lit di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trieu lit di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trieu lit di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.