Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vuc pha cau snippets" » "vuc pha code snippets", "vuc phia cau snippets", "vuc ha cau snippets", "duc phan cau snippets", "vuc phan cau snippets", "vuc phap cau snippets", "vuc pha cac 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: (((("vuc pha 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: (((("vuc pha cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vuc pha cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuc pha cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.