Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong tranh chi snippets" » "dong tranh code snippets", "dong thanh chi snippets", "dong trinh chi snippets", "trong tranh chi snippets", "dong tran chi snippets", "dong trang chi snippets", "dong tranh cai snippets"
"dung java java snippets" » "dung va java 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: (((("dong tranh chi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong tranh chi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong tranh chi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong tranh chi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.