Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich tra cuu snippets" » "dich tri cuu snippets", "bich tran cuu snippets", "dich toan cuu snippets", "dich tra cau snippets", "dich trau cua snippets", "dich trua cua 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: (((("dich tra cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich tra cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich tra cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich tra cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.