Perhaps you should try some spelling variations:
"trong qua cham snippets" » "trong quan cham snippets", "thong qua cham snippets", "trong nha cham snippets", "trong qua hai snippets", "trong qua cac snippets", "trong va cham snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("trong qua cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong qua cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong qua cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong qua cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.