Perhaps you should try some spelling variations:
"trong hoc chan snippets" » "trong hoc code snippets", "truong hoc chan snippets", "tuong hoc chan snippets", "trong hoa chan snippets", "trong hoc phan snippets", "trong hoc chat snippets", "trong hoc can snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong hoc chan 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 hoc chan snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong hoc chan snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hoc chan snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.