Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van dung co snippets" » "van dung code snippets", "van dong co snippets", "xay dung co snippets", "tin dung co snippets", "van dung cho snippets", "van dung cong snippets", "van dung cua snippets"
"data using java snippets" » "data using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("data using java snippets") or ("van dung co snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("van dung co snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( van dung co snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("van dung co snippets"))) or ("locating bug core snippets"))*.