Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho thanh java snippets" » "cho thanh va snippets", "cho trinh java snippets", "cho think java snippets", "cho phan java snippets", "tro thanh java snippets", "cuu thanh java snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java 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: (((("cho thanh java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho thanh java snippets") OR ("using data java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cho thanh java snippets ) or ( using data java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho thanh java snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.