Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"nang dua mode snippets" » "nang du mode snippets", "nang suat mode snippets", "nang quan mode snippets", "nang dual mode snippets", "nang dua moi 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: (((("nang dua mode snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang dua mode snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dua mode snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dua mode snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.