Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cam dan hoat snippets" » "cam dan code snippets", "cam van hoa snippets", "cam dan hoc snippets", "cam danh hoa snippets", "cac dan hoat snippets", "ca dan hoat snippets", "nam dan hoat 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: (((("cam dan hoat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cam dan hoat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cam dan hoat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cam dan hoat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.