Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java caccode snippets" » "using data caccode snippets", "using java cacccode snippets", "using java caoccode snippets", "using java caiccode snippets"
"dung va ca snippets" » "dung va cac snippets", "dung va cao snippets", "dung va cai 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: (((("using java caccode snippets") or ("dung va ca snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java caccode snippets") OR ("dung va ca snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java caccode snippets ) or ( dung va ca snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java caccode snippets") or ("dung va ca snippets"))) or ("locating bugs code snippets"))*.