Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi trung cao snippets" » "vi trung code snippets", "vi truong cao snippets", "vi trung cap snippets", "vi trung co snippets", "va trung cao snippets", "viet trung cao snippets", "vien trung cao snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vi trung cao snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trung cao snippets") OR ("using raw java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vi trung cao snippets ) or ( using raw java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi trung cao snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))*.