Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat quang du snippets" » "dau quang du snippets", "dang quang du snippets", "chat quang du snippets", "dat quang duc snippets", "dat quang duy snippets", "dat quang cu 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: (((("dat quang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat quang du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat quang du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat quang du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.