Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"dai thanh chau snippets" » "dai thanh cha snippets", "dai thanh cham snippets", "dai thanh chu snippets", "tai thanh chau snippets", "dao thanh chau snippets", "mai thanh chau snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java snippets") or ("dai thanh chau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("dai thanh chau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai thanh chau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("dai thanh chau snippets"))) or ("locating bug code snippets"))*.