Perhaps you should try some spelling variations:
"hanh cac chien snippets" » "hanh cuoc chien snippets", "hanh van chien snippets", "hanh nam chien snippets", "hang cac chien snippets", "hanh cat chien snippets", "nhanh cay chien 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: (((("hanh cac chien snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cac chien snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cac chien snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cac chien snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.