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