Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"data using java snippets" » "data using data snippets", "data using java slippers"
"dung cho hang snippets" » "dung cho thanh snippets", "dung cho phan snippets", "dung thi hang snippets", "dung cho hang slippers"

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: (((("dung cho hang snippets") or ("data using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cho hang snippets") OR ("data using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cho hang snippets ) or ( data using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cho hang snippets") or ("data using java snippets"))) or ("locating bugs code snippets"))*.