Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan thai doi snippets" » "dang thai doi snippets", "dan thi doi snippets", "dan than doi snippets", "dan thay doi snippets", "dan thai do snippets", "dan thai loi 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: (((("dan thai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan thai doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan thai doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan thai doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.