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"
"dan hanh viet snippets" » "dan anh viet snippets", "dan danh viet snippets", "dan han viet snippets", "dang hanh viet snippets", "dan khanh viet snippets", "dan thanh viet snippets", "dan hanh viet 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 ("dan hanh viet snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dan hanh viet snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dan hanh viet snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dan hanh viet snippets"))) or ("locating bugs code snippets"))*.