Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"chan hang cau snippets" » "chan dang cau snippets", "chan hong cau snippets", "thanh hang cau snippets", "chan hang dau snippets", "chan hang ca snippets", "chan nhung cau snippets"
"locating bug core snippets" » "locating bug 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 ("chan hang cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("chan hang cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chan hang cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chan hang cau snippets"))) or ("locating bug core snippets"))*.