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