Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hinh de hoc snippets" » "hanh de hoc snippets", "hinh he hoc snippets", "sinh de hoc snippets", "hinh te hoc snippets", "hinh du hoc snippets", "hinh dien hoc 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: (((("hinh de hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hinh de hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hinh de hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hinh de hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.