Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong son cac snippets" » "dong son code snippets", "dong von cac snippets", "dong san cac snippets", "hoang son cac snippets", "dong ton cac snippets", "dong con cac snippets", "dong son bac 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 ("dong son cac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("dong son cac snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( dong son cac snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("dong son cac snippets"))) or ("locating bug core snippets"))*.