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