Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"hoc using java snippets" » "hoc using data snippets", "shock using java snippets", "hoc ung java snippets", "hoc sinh java snippets"
"dung cong che snippets" » "dung trong che snippets", "dung cong cho snippets", "dung cong chi snippets", "dung cong chu 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: (((("dung cong che snippets") or ("hoc using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cong che snippets") OR ("hoc using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cong che snippets ) or ( hoc using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cong che snippets") or ("hoc using java snippets"))) or ("locating bugs code snippets"))*.