Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung chi con snippets" » "chung chi code snippets", "thuong chi con snippets", "chung cu con snippets", "chung vi con snippets", "chung chi cong snippets", "chung cho con snippets", "chung khi con 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: (((("chung chi con snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung chi con snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( chung chi con snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung chi con snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.