Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban thanh ho snippets" » "ban hanh ho snippets", "ban hang ho snippets", "ban thanh pho snippets", "ban thanh hoa snippets", "ban thanh hoc 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: (((("ban thanh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban thanh ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban thanh ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban thanh ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.