Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai anh cho snippets" » "ha anh cho snippets", "mai anh cho snippets", "hai thanh cho snippets", "hai danh cho snippets", "hai anh tho snippets", "hai anh co 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: (((("hai anh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai anh cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai anh cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai anh cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.