Perhaps you should try some spelling variations:
"trong tuc cham snippets" » "trong thuc cham snippets", "trong cuoc cham snippets", "trong nuoc cham snippets", "trong toc cham snippets", "trong tu cham snippets", "trong phuc 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 tuc 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 tuc cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tuc cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tuc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.