Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java code snippets" » "using data code snippets", "using java code slippers"
"lang cua dan snippets" » "mang cua dan snippets", "hang cua dan snippets", "long cua dan snippets", "lang cua dang snippets", "lang cua ban snippets", "lang ca dan snippets", "lang cua dan 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: (((("using java code snippets") or ("lang cua dan snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lang cua dan snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lang cua dan snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lang cua dan snippets"))) or ("locating bugs code snippets"))*.