Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu dau da snippets" » "thau dau da snippets", "tu dau da snippets", "phu dau da snippets", "thu dau va snippets", "thu dan da snippets", "thu dau ha 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: (((("thu dau da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu dau da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu dau da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu dau da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.