Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi hieu chi snippets" » "thi chieu chi snippets", "thi hien chi snippets", "thi dieu chi snippets", "thi hieu cac snippets", "thi hieu moi 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: (((("thi hieu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi hieu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi hieu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi hieu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.