Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang tao cau snippets" » "hoang tao code snippets", "hoang thao cau snippets", "hoang bao cau snippets", "hoang cao cau snippets", "hoang tao cu snippets", "hoang tao cao snippets", "hoang tao sau snippets"
"dung java java snippets" » "dung va 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: (((("dung java java snippets") or ("hoang tao cau snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hoang tao cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hoang tao cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hoang tao cau snippets"))) or ("locating bug core snippets"))*.