Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ion trong le snippets" » "gian trong le snippets", "cong trong le snippets", "bien trong le snippets", "ion trong lam snippets", "ion trong ca snippets", "ion trong va 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: (((("ion trong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ion trong le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ion trong le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ion trong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.