Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"a xuan trang snippets" » "a xuan trung snippets", "a xuan truong snippets", "a quan trong snippets", "ha xuan trang snippets", "_ xuan trang snippets", "l xuan trang snippets", "a xuan trang slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("a xuan trang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a xuan trang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( a xuan trang snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("a xuan trang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.