Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ca cuu hoan snippets" » "ca cuu code snippets", "ca luu hoang snippets", "ca cuu van snippets", "ca cuu khoa snippets", "cap cuu hoan snippets", "cua cuu hoan snippets", "ca cua hoan 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: (((("ca cuu hoan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca cuu hoan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ca cuu hoan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ca cuu hoan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.