Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong can chi snippets" » "trong can code snippets", "trong canh chi snippets", "trong chan chi snippets", "trong cac chi snippets", "trong can thi snippets", "trong van chi snippets", "trong san chi 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 can chi 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 can chi snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong can chi snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong can chi snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.