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