Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong hoi hoc snippets" » "trong hoi code snippets", "trong thoi hoc snippets", "truong hoi hoc snippets", "trong choi hoc snippets", "trong hoa hoc snippets", "trong khoa hoc snippets", "trong hoi chuc 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 hoi hoc 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 hoi hoc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong hoi hoc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hoi hoc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.