Perhaps you should try some spelling variations:
"luong cac chat snippets" » "luong cac code snippets", "luong cuoc chat snippets", "luong va chat snippets", "luong tai chat snippets", "luong cao chat snippets", "luong cac thuat snippets", "luong cac nha snippets"
"locating bug core snippets" » "locating bug code 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 ("luong cac chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data using java snippets") OR ("luong cac chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( data using java snippets ) or ( luong cac chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data using java snippets") or ("luong cac chat snippets"))) or ("locating bug core snippets"))*.