Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao hoi hoc snippets" » "khao noi hoc snippets", "khoan hoi hoc snippets", "khao ha hoc snippets", "khao hoa hoc snippets", "khao khoa hoc snippets", "khao hoi chuc 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 hoi hoc 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 hoi hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao hoi hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao hoi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.