Perhaps you should try some spelling variations:
"trinh trong ky snippets" » "trinh truong ky snippets", "tranh trong ky snippets", "trinh trung ky snippets", "trinh trong ca snippets", "trinh trong va snippets", "trinh trong _ snippets", "trinh trong ky slippers"
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 code snippets") or ("trinh trong ky snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh trong ky snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh trong ky snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh trong ky snippets"))) or ("locating bug code snippets"))*.