Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang huu mot snippets" » "dang hung mot snippets", "duong huu mot snippets", "dang thuy mot snippets", "dang cuu mot snippets", "dang huy mot snippets", "dang hieu mot 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 huu mot 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 huu mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang huu mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang huu mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.