Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"qua danh cau snippets" » "qua danh code snippets", "qua dan cau snippets", "luan danh cau snippets", "luat danh cau snippets", "qua danh dau snippets", "qua danh ca snippets", "qua danh hau 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: (((("qua danh 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: (((("qua danh cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( qua danh cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua danh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.