Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua dam cau snippets" » "cua dam code snippets", "cua dan cau snippets", "cua dai cau snippets", "cua tam cau snippets", "cua dat cau snippets", "cua da cau snippets", "cua dam cao 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: (((("cua dam cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dam cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua dam cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dam cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.