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