Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"gian tho cac snippets" » "gian pho cac snippets", "giang theo cac snippets", "gian thai cac snippets", "gian cho cac snippets", "gian tho ca snippets", "gian thong cac 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 tho 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 tho cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian tho cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian tho cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.