Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh tai so snippets" » "doanh tai so snippets", "dinh tai so snippets", "hanh tai so snippets", "danh tai sao snippets", "danh dai so snippets", "danh tai co 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: (((("danh tai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh tai so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh tai so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh tai so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.