Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"gian ban cac snippets" » "gian bana cac snippets", "gian dan cac snippets", "gian lan cac snippets", "gian bang cac snippets", "gian ban can snippets", "gian ban sac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("gian ban cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian ban cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian ban cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian ban cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.