Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong trinh cau snippets" » "dong trinh code snippets", "cong trinh cau snippets", "dong tinh cau snippets", "dong tranh cau snippets", "dong trinh chat snippets", "dong trinh chao snippets", "dong trinh tu snippets"
"data using java snippets" » "data 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: (((("data using java snippets") or ("dong trinh cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("dong trinh cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dong trinh cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dong trinh cau snippets"))) or ("locating bug core snippets"))*.