Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong bac cong snippets" » "dong bac code snippets", "dong bang cong snippets", "dong luc cong snippets", "dong hoc cong snippets", "dong bac cuong snippets", "dong cac cong snippets", "dong ban cong 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: (((("dung java java snippets") or ("dong bac cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong bac cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong bac cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong bac cong snippets"))) or ("locating bug core snippets"))*.