Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tac kiem ton snippets" » "tac ke ton snippets", "thi kiem ton snippets", "va kiem ton snippets", "tac kiem toan snippets", "tac kiem mon snippets", "tac kiem trong 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: (((("tac kiem ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac kiem ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tac kiem ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tac kiem ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.