Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bo tranh de snippets" » "bo trach de snippets", "co tranh de snippets", "so tranh de snippets", "bo thanh de snippets", "bo trang de snippets", "bo tranh dau 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: (((("bo tranh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bo tranh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bo tranh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bo tranh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.