Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang minh ve snippets" » "dang dinh ve snippets", "dang sinh ve snippets", "dang tinh ve snippets", "dang minh va snippets", "dang kinh ve 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: (((("dang minh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang minh ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang minh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang minh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.