Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang cua loc snippets" » "hang cua code snippets", "mang cua loc snippets", "hang ca loc snippets", "huong cua loc snippets", "hang chua loc snippets", "hang cua hoc snippets", "hang cua lop 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: (((("hang cua loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cua loc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hang cua loc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cua loc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.