Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong dao cac snippets" » "trong dao code snippets", "truong dao cac snippets", "trong dam cac snippets", "trong dan cac snippets", "trong do cac snippets", "trong sao cac snippets", "trong tao cac 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: (((("trong dao cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong dao cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong dao cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong dao cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.