Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung van chi snippets" » "dung van code snippets", "duong van chi snippets", "dung va chi snippets", "dang van chi snippets", "dung van chien snippets", "dung luan chi snippets", "dung van chat 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: (((("dung van chi snippets") or ("data using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung van chi snippets") OR ("data using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung van chi snippets ) or ( data using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung van chi snippets") or ("data using java snippets"))) or ("locating bug core snippets"))*.