Perhaps you should try some spelling variations:
"luong chat cham snippets" » "luong chat code snippets", "luong cac cham snippets", "luong cua cham snippets", "luong ha cham snippets", "luong chat cam snippets", "luong chat thai snippets", "luong chat cua snippets"
"locating bug core snippets" » "locating bug code 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: (((("luong chat cham snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong chat cham snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luong chat cham snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong chat cham snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.