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