Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"lon tao trinh snippets" » "lon tao tinh snippets", "lon tho trinh snippets", "lon giao trinh snippets", "lon lao trinh snippets", "chon tao trinh snippets", "loan tam trinh snippets", "lon tao trinh slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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 ("lon tao trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lon tao trinh snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lon tao trinh snippets ))) or ( locating bug code snippets ))*.