Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao dung so snippets" » "kha dung so snippets", "thao duong so snippets", "khao huong so snippets", "khao dung co snippets", "khao dung mo snippets", "khao dung cho 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: (((("khao dung 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: (((("khao dung so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao dung so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao dung so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.