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