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