Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai tang cho snippets" » "thai tang cho snippets", "ha tang cho snippets", "hai tan cho snippets", "hai trang cho snippets", "hai sang cho snippets", "hai hang 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: (((("hai tang 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 tang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai tang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai tang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.